  Started by timer
  Running as SYSTEM
  [EnvInject] - Loading node environment variables.
  Building remotely on prd-ubuntu1804-builder-4c-4g-2860 (ubuntu1804-builder-4c-4g) in workspace /w/workspace/usecase-ui-intent-analysis-sonar
  The recommended git tool is: NONE
  using credential onap-jenkins-ssh
  Wiping out workspace first.
  Cloning the remote Git repository
  Cloning repository git://cloud.onap.org/mirror/usecase-ui/intent-analysis
   > git init /w/workspace/usecase-ui-intent-analysis-sonar # timeout=10
  Fetching upstream changes from git://cloud.onap.org/mirror/usecase-ui/intent-analysis
   > git --version # timeout=10
   > git --version # 'git version 2.17.1'
  using GIT_SSH to set credentials Gerrit user
  Verifying host key using manually-configured host key entries
   > git fetch --tags --progress -- git://cloud.onap.org/mirror/usecase-ui/intent-analysis +refs/heads/*:refs/remotes/origin/* # timeout=10
   > git config remote.origin.url git://cloud.onap.org/mirror/usecase-ui/intent-analysis # timeout=10
   > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
  Avoid second fetch
   > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
  Checking out Revision 6be598be9d61f965d38c9c3c475633ab2ed20b29 (refs/remotes/origin/master)
   > git config core.sparsecheckout # timeout=10
   > git checkout -f 6be598be9d61f965d38c9c3c475633ab2ed20b29 # timeout=10
  Commit message: "Merge "Bump lfreleng-actions/github2gerrit-action from 1.0.5 to 1.2.1""
   > git rev-list --no-walk 6be598be9d61f965d38c9c3c475633ab2ed20b29 # timeout=10
  Run condition [Boolean condition] enabling prebuild for step [BuilderChain]
  Run condition [Not] preventing prebuild for step [BuilderChain]
  [usecase-ui-intent-analysis-sonar] $ /bin/bash /tmp/jenkins4582530141678571210.sh
  ---> python-tools-install.sh
  Setup pyenv:
  * system (set by /opt/pyenv/version)
  * 3.8.13 (set by /opt/pyenv/version)
  * 3.9.13 (set by /opt/pyenv/version)
  * 3.10.6 (set by /opt/pyenv/version)
  lf-activate-venv(): INFO: Creating python3 venv at /tmp/venv-5mqg
  lf-activate-venv(): INFO: Save venv in file: /tmp/.os_lf_venv
  lf-activate-venv(): INFO: Installing base packages (pip, setuptools, virtualenv)
  lf-activate-venv(): INFO: Attempting to install with network-safe options...
  lf-activate-venv(): INFO: Base packages installed successfully
  lf-activate-venv(): INFO: Installing additional packages: lftools 
  lf-activate-venv(): INFO: Adding /tmp/venv-5mqg/bin to PATH
  Generating Requirements File
  ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
  httplib2 0.30.2 requires pyparsing<4,>=3.0.4, but you have pyparsing 2.4.7 which is incompatible.
  Python 3.10.6
  pip 26.1.1 from /tmp/venv-5mqg/lib/python3.10/site-packages/pip (python 3.10)
  aiohappyeyeballs==2.6.2
  aiohttp==3.13.5
  aiosignal==1.4.0
  appdirs==1.4.4
  argcomplete==3.6.3
  aspy.yaml==1.3.0
  async-timeout==5.0.1
  attrs==26.1.0
  autopage==0.6.0
  backports.strenum==1.3.1
  beautifulsoup4==4.14.3
  boto3==1.43.14
  botocore==1.43.14
  bs4==0.0.2
  certifi==2026.5.20
  cffi==2.0.0
  cfgv==3.5.0
  chardet==7.4.3
  charset-normalizer==3.4.7
  click==8.4.1
  cliff==4.14.0
  cmd2==3.5.1
  cryptography==3.3.2
  debtcollector==3.1.0
  decorator==5.3.1
  defusedxml==0.7.1
  Deprecated==1.3.1
  distlib==0.4.0
  dnspython==2.8.0
  docker==7.1.0
  dogpile.cache==1.5.0
  durationpy==0.10
  email-validator==2.3.0
  filelock==3.29.0
  frozenlist==1.8.0
  future==1.0.0
  gitdb==4.0.12
  GitPython==3.1.50
  httplib2==0.30.2
  identify==2.6.19
  idna==3.16
  importlib-resources==1.5.0
  iso8601==2.1.0
  Jinja2==3.1.6
  jmespath==1.1.0
  jsonpatch==1.33
  jsonpointer==3.1.1
  jsonschema==4.26.0
  jsonschema-specifications==2025.9.1
  keystoneauth1==5.14.0
  kubernetes==36.0.0
  lftools==0.37.22
  lxml==6.1.1
  markdown-it-py==4.2.0
  MarkupSafe==3.0.3
  mdurl==0.1.2
  msgpack==1.1.2
  multi_key_dict==2.0.3
  multidict==6.7.1
  munch==4.0.0
  netaddr==1.3.0
  niet==1.4.2
  nodeenv==1.10.0
  oauth2client==4.1.3
  oauthlib==3.3.1
  openstacksdk==4.13.0
  os-service-types==1.8.2
  osc-lib==4.6.0
  oslo.config==10.4.0
  oslo.context==6.4.0
  oslo.i18n==6.8.0
  oslo.log==8.2.0
  oslo.serialization==5.10.0
  oslo.utils==10.0.1
  packaging==26.2
  pbr==7.0.3
  platformdirs==4.9.6
  prettytable==3.17.0
  propcache==0.5.2
  psutil==7.2.2
  pyasn1==0.6.3
  pyasn1_modules==0.4.2
  pycparser==3.0
  pygerrit2==2.0.15
  PyGithub==2.9.1
  Pygments==2.20.0
  PyJWT==2.13.0
  PyNaCl==1.6.2
  pyparsing==2.4.7
  pyperclip==1.11.0
  pyrsistent==0.20.0
  python-cinderclient==9.9.0
  python-dateutil==2.9.0.post0
  python-discovery==1.3.1
  python-heatclient==5.2.0
  python-jenkins==1.8.3
  python-keystoneclient==5.8.0
  python-magnumclient==4.10.0
  python-openstackclient==10.0.0
  python-swiftclient==4.10.0
  PyYAML==6.0.3
  referencing==0.37.0
  requests==2.34.2
  requests-oauthlib==2.0.0
  rfc3986==2.0.0
  rich==15.0.0
  rich-argparse==1.8.0
  rpds-py==0.30.0
  rsa==4.9.1
  ruamel.yaml==0.19.1
  ruamel.yaml.clib==0.2.15
  s3transfer==0.17.0
  simplejson==4.1.1
  six==1.17.0
  smmap==5.0.3
  soupsieve==2.8.3
  stevedore==5.8.0
  tabulate==0.10.0
  toml==0.10.2
  tomlkit==0.15.0
  tqdm==4.67.3
  typing_extensions==4.15.0
  urllib3==1.26.20
  virtualenv==21.3.3
  wcwidth==0.7.0
  websocket-client==1.9.0
  wrapt==2.2.1
  xdg==6.0.0
  xmltodict==1.0.4
  yarl==1.24.2
  yq==3.4.3
  [usecase-ui-intent-analysis-sonar] $ /bin/sh /tmp/jenkins2165902868468173209.sh
  ---> uv-install.sh
  Installing uv/uvx (latest) using shell installer
  2026-05-23 02:24:37 URL:https://releases.astral.sh/installers/uv/latest/uv-installer.sh [71233/71233] -> "/tmp/uv-install-n80R3W.sh" [1]
  downloading uv 0.11.16 x86_64-unknown-linux-gnu
  installing to /home/jenkins/.local/bin
    uv
    uvx
  everything's installed!
  
  To add $HOME/.local/bin to your PATH, either restart your shell or run:
  
      source $HOME/.local/bin/env (sh, bash, zsh)
      source $HOME/.local/bin/env.fish (fish)
  Adding install location to PATH
  ---> Validating uv/uvx install
  uvx 0.11.16 (x86_64-unknown-linux-gnu)
  [Boolean condition] checking [true] against [^(1|y|yes|t|true|on|run)$] (origin token: true)
  Run condition [Boolean condition] enabling perform for step [BuilderChain]
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins5779223935909509573.sh
  + echo Using SonarCloud
  Using SonarCloud
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins867906698123648351.sh
  + echo quiet=on
  Unpacking https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip to /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35 on prd-ubuntu1804-builder-4c-4g-2860
  [usecase-ui-intent-analysis-sonar] $ /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn -DGERRIT_BRANCH=master -DPROJECT=usecase-ui/intent-analysis -DMVN=/w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn -DSTREAM=master "-DARCHIVE_ARTIFACTS=**/*.log **/hs_err_*.log **/target/**/feature.xml **/target/failsafe-reports/failsafe-summary.xml **/target/surefire-reports/*-output.txt
  " -DJAVA_OPTS= -DGERRIT_PROJECT=usecase-ui/intent-analysis -Dsha1=origin/master "-DMAVEN_OPTS=-Xmx1024m -XX:MaxMetaspaceSize=256m" -DGERRIT_REFSPEC=refs/heads/master -DM2_HOME=/w/tools/hudson.tasks.Maven_MavenInstallation/mvn35 -DMAVEN_PARAMS= -DSONAR_MAVEN_GOAL=org.sonarsource.scanner.maven:sonar-maven-plugin:3.9.1.2184:sonar --version
  Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
  Maven home: /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35
  Java version: 11.0.16, vendor: Ubuntu, runtime: /usr/lib/jvm/java-11-openjdk-amd64
  Default locale: en, platform encoding: UTF-8
  OS name: "linux", version: "4.15.0-194-generic", arch: "amd64", family: "unix"
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins18130028185903954492.sh
  + rm /home/jenkins/.wgetrc
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties content 
  SET_JDK_VERSION=openjdk17
  GIT_URL="git://cloud.onap.org/mirror"
  
  [EnvInject] - Variables injected successfully.
  [usecase-ui-intent-analysis-sonar] $ /bin/sh /tmp/jenkins16043124474651545180.sh
  ---> update-java-alternatives.sh
  ---> Updating Java version
  ---> Ubuntu/Debian system detected
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64/bin/java to provide /usr/bin/java (java) in manual mode
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64/bin/javac to provide /usr/bin/javac (javac) in manual mode
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64 to provide /usr/lib/jvm/java-openjdk (java_sdk_openjdk) in manual mode
  openjdk version "17.0.4" 2022-07-19
  OpenJDK Runtime Environment (build 17.0.4+8-Ubuntu-118.04)
  OpenJDK 64-Bit Server VM (build 17.0.4+8-Ubuntu-118.04, mixed mode, sharing)
  JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties file path '/tmp/java.env'
  [EnvInject] - Variables injected successfully.
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties content 
  MAVEN_GOALS=clean install
  SONARCLOUD_JAVA_VERSION=openjdk17
  SONARCLOUD_QUALITYGATE_WAIT=False
  SCAN_DEV_BRANCH=False
  PROJECT_ORGANIZATION=onap
  SONAR_HOST_URL=https://sonarcloud.io
  PROJECT_KEY=onap_usecase-ui-intent-analysis
  
  [EnvInject] - Variables injected successfully.
  provisioning config files...
  copy managed file [global-settings] to file:/w/workspace/usecase-ui-intent-analysis-sonar@tmp/config7384478453968722116tmp
  copy managed file [usecase-ui-intent-analysis-settings] to file:/w/workspace/usecase-ui-intent-analysis-sonar@tmp/config7421352613933502995tmp
  [usecase-ui-intent-analysis-sonar] $ /bin/bash -l /tmp/jenkins6449559972708067563.sh
  ---> common-variables.sh
  --show-version --batch-mode -Djenkins -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -Dmaven.repo.local=/tmp/r -Dorg.ops4j.pax.url.mvn.localRepository=/tmp/r
  ---> maven-sonar.sh
  + set +u
  + export MAVEN_OPTS
  + declare -a params
  + params+=("--global-settings $GLOBAL_SETTINGS_FILE")
  + params+=("--settings $SETTINGS_FILE")
  + _JAVA_OPTIONS=
  + /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn clean install -e -Dsonar --global-settings /w/workspace/usecase-ui-intent-analysis-sonar@tmp/config7384478453968722116tmp --settings /w/workspace/usecase-ui-intent-analysis-sonar@tmp/config7421352613933502995tmp --show-version --batch-mode -Djenkins -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -Dmaven.repo.local=/tmp/r -Dorg.ops4j.pax.url.mvn.localRepository=/tmp/r
  Picked up _JAVA_OPTIONS: 
  Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
  Maven home: /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35
  Java version: 17.0.4, vendor: Private Build, runtime: /usr/lib/jvm/java-17-openjdk-amd64
  Default locale: en, platform encoding: UTF-8
  OS name: "linux", version: "4.15.0-194-generic", arch: "amd64", family: "unix"
  [INFO] Error stacktraces are turned on.
  [INFO] Scanning for projects...
  [WARNING] 
  [WARNING] Some problems were encountered while building the effective model for org.onap.usecase-ui.intent-analysis:usecase-ui.intent-analysis:jar:16.0.1-SNAPSHOT
  [WARNING] 'build.plugins.plugin.version' for org.jacoco:jacoco-maven-plugin is missing. @ line 339, column 21
  [WARNING] 
  [WARNING] Some problems were encountered while building the effective model for org.onap.usecase-ui.intent-analysis:standalone:jar:16.0.1-SNAPSHOT
  [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-resources-plugin is missing. @ line 55, column 21
  [WARNING] 
  [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
  [WARNING] 
  [WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
  [WARNING] 
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Build Order:
  [INFO] 
  [INFO] usecase-ui-intent-analysis-parent                                  [pom]
  [INFO] checkstyle                                                         [jar]
  [INFO] intent-analysis                                                    [jar]
  [INFO] standalone                                                         [jar]
  [INFO] 
  [INFO] --< org.onap.usecase-ui.intent-analysis:usecase-ui-intent-analysis-parent >--
  [INFO] Building usecase-ui-intent-analysis-parent 16.0.1-SNAPSHOT         [1/4]
  [INFO] --------------------------------[ pom ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ usecase-ui-intent-analysis-parent ---
  [INFO] 
  [INFO] --- maven-install-plugin:2.4:install (default-install) @ usecase-ui-intent-analysis-parent ---
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/pom.xml to /tmp/r/org/onap/usecase-ui/intent-analysis/usecase-ui-intent-analysis-parent/16.0.1-SNAPSHOT/usecase-ui-intent-analysis-parent-16.0.1-SNAPSHOT.pom
  [INFO] 
  [INFO] -----------< org.onap.usecase-ui.intent-analysis:checkstyle >-----------
  [INFO] Building checkstyle 16.0.1-SNAPSHOT                                [2/4]
  [INFO] --------------------------------[ jar ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ checkstyle ---
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ checkstyle ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 3 resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ checkstyle ---
  [INFO] No sources to compile
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ checkstyle ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] skip non existing resourceDirectory /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/src/test/resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ checkstyle ---
  [INFO] No sources to compile
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ checkstyle ---
  [INFO] No tests to run.
  [INFO] 
  [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ checkstyle ---
  [INFO] Building jar: /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/target/checkstyle-16.0.1-SNAPSHOT.jar
  [INFO] 
  [INFO] --- maven-install-plugin:2.4:install (default-install) @ checkstyle ---
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/target/checkstyle-16.0.1-SNAPSHOT.jar to /tmp/r/org/onap/usecase-ui/intent-analysis/checkstyle/16.0.1-SNAPSHOT/checkstyle-16.0.1-SNAPSHOT.jar
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/pom.xml to /tmp/r/org/onap/usecase-ui/intent-analysis/checkstyle/16.0.1-SNAPSHOT/checkstyle-16.0.1-SNAPSHOT.pom
  [INFO] 
  [INFO] ---< org.onap.usecase-ui.intent-analysis:usecase-ui.intent-analysis >---
  [INFO] Building intent-analysis 16.0.1-SNAPSHOT                           [3/4]
  [INFO] --------------------------------[ jar ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ usecase-ui.intent-analysis ---
  [INFO] 
  [INFO] --- jacoco-maven-plugin:0.8.14:prepare-agent (prepare-agent) @ usecase-ui.intent-analysis ---
  [INFO] argLine set to -javaagent:/tmp/r/org/jacoco/org.jacoco.agent/0.8.14/org.jacoco.agent-0.8.14-runtime.jar=destfile=/w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/target/jacoco.exec
  [INFO] 
  [INFO] --- maven-checkstyle-plugin:3.3.1:check (onap-license) @ usecase-ui.intent-analysis ---
  [INFO] Starting audit...
  Audit done.
  [INFO] You have 0 Checkstyle violations.
  [INFO] 
  [INFO] --- maven-checkstyle-plugin:3.3.1:check (onap-java-style) @ usecase-ui.intent-analysis ---
  [INFO] Starting audit...
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:34:5: 'CTOR_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:34:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:35:62: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:40:26: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:40:26: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:31:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:33:23: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.listener' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:29:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:30:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:37:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:38:94: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:39:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:39:70: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:40:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:40:82: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:41:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:42:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:42:27: Local variable name 'owner_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:44:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:44:27: Local variable name 'handler_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:46:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:47:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:49:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:50:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:51:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:52:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:53:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:54:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ObjectType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ConditionParentType.java:21:14: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:23:9: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:24:18: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:25:14: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:26:15: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:27:17: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:28:12: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:29:13: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:30:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:31:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:32:13: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:33:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:34:11: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/NotFulfilledReason.java:23: Line is longer than 120 characters (found 138). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/IntentGenerateType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ContextParentType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentEventRecord.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:24:17: Member name 'result_code' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:26:20: Member name 'result_message' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:31:29: Parameter name 'result_code' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:31:49: Parameter name 'result_message' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:25:26: Member name 'result_header' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:26:20: Member name 'result_body' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:31:39: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:31:61: Parameter name 'result_body' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:36:39: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:20:1: Extra separation in import group before 'java.util.Date' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:20:1: Wrong lexicographical order for 'java.util.Date' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:25:31: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:27:37: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:19:1: Wrong lexicographical order for 'javax.persistence.*' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:19:25: Using the '.*' form of import should be avoided - javax.persistence.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:20:1: Wrong lexicographical order for 'java.io.Serializable' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:23:12: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:23:12: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:26:14: Abbreviation in name 'CCVPNInstance' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:28:29: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBean.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.NotFulfilledState'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObject.java:21:1: Extra separation in import group before 'lombok.Data' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:23:1: Extra separation in import group before 'java.util.LinkedHashMap' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:23:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:26:14: Abbreviation in name 'CLLAssuranceDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:33: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:38: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:43: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:23:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:31:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:31:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:32:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:36:14: Abbreviation in name 'CLLAssuranceActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:115: Line is longer than 120 characters (found 146). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:118: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:127:26: Abbreviation in name 'getCLLId' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:26:14: Abbreviation in name 'CLLAssuranceKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:37:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:37:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:38:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:44:14: Abbreviation in name 'CLLAssuranceIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:79: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:84: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:19: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:21: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:23:13: Abbreviation in name 'createAndDeployModifyCLLPolicy' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:25: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:27: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:29:13: Abbreviation in name 'undeployAndRemoveModifyCLLPolicy' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:32: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:33: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:36: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:38: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:29:18: Abbreviation in name 'PolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:72: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationCallback.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:27:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:31:24: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:24:1: Extra separation in import group before 'com.alibaba.fastjson2.JSONArray' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:24:1: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONArray' import. Should be before 'java.util.LinkedHashMap'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:25:1: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONObject' import. Should be before 'java.util.LinkedHashMap'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:46:27: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:48:77: ';' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:53:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:53:26: Abbreviation in name 'getPolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:61:17: Abbreviation in name 'setPolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:61:48: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:114: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:131: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:134: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:135: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:136: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:137: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:194: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:197: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:239:45: 'typecast' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:240:9: '}' at column 9 should be on the same line as the next part of a multi-block statement (one that directly contains multiple blocks: if/else-if/else, do/while or try/catch/finally). [RightCurlySame]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:242:45: 'typecast' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/ModifyCLLPolicyConstants.java:19:14: Abbreviation in name 'ModifyCLLPolicyConstants' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/IntentConfigPolicyConstants.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:22:1: Extra separation in import group before 'java.util.Map' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:22:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:24:18: Abbreviation in name 'SOService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:26:9: Abbreviation in name 'createCCVPNInstance' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:21:22: Using the '.*' form of import should be avoided - retrofit2.http.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:23:18: Abbreviation in name 'SOAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:25:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:26:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:33:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:34:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:17: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:17: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:32: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:32: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:26:14: Abbreviation in name 'SOAuthConfig' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:34:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:35:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:36:1: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:37:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:38:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:39:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:41:14: Abbreviation in name 'SOServiceImpl' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:55:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:63:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:75:17: Abbreviation in name 'setAAIApiCall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:81:9: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:81:12: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:82:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:87:31: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:92:55: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:92:55: WhitespaceAround: '+' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:96:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:97:17: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:97:17: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:115:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:115:10: WhitespaceAround: 'catch' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:126: Line is longer than 120 characters (found 145). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:129: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:134: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:148:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:150:42: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:152: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:169: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:177: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:189: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:191: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:192: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:205: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:207: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:208: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventEntity.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:49: Line is longer than 120 characters (found 131). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:52:14: Abbreviation in name 'MRTopicMonitor' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:66: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:77: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:96: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:105: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:115: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:145: Line is longer than 120 characters (found 125). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:148:19: Abbreviation in name 'MRConsumerWrapper' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:165: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:185:51: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:185:51: Parameter name 'MRTopicParams' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:219: Javadoc comment at column 0 has parse error. Details: no viable alternative at input '         *' while parsing JAVADOC_TAG [AtclauseOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:246: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventModel.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:40: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:63:14: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:179:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:179:33: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:31: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:296:9: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:302:13: Distance between variable 'topic' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:27: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:27: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:32: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:32: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:52: WhitespaceAround: '<' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:52: WhitespaceAround: '<' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:60: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:334:46: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:18: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationCallback.java:32:14: Abbreviation in name 'DCAENotificationCallback' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:23:14: Abbreviation in name 'DCAENotificationService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:28:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:32:24: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:24:18: Abbreviation in name 'AAIAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:29:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:30:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:31:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:32:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:34: Line is longer than 120 characters (found 164). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:26:14: Abbreviation in name 'AAIAuthConfig' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:18:18: Abbreviation in name 'AAIService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:25:9: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:26:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:27:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ComponentNotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ContextService.java:22:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetService.java:22:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:37:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Intent' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:38:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:39:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:40:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:41:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:42:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:43:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:44:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.IntentService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:177:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:179:34: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:181: Line is longer than 120 characters (found 169). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:224: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:28:48: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.mapper.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:36:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:36:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:50: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:94: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:96: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:27:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:35:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:100: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:106: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:130: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:133: Line is longer than 120 characters (found 125). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:135: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:145: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:183: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:23:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:24:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:26:1: Wrong lexicographical order for 'lombok.extern.slf4j.Slf4j' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:32:1: Extra separation in import group before 'java.util.Collections' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:32:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:25:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ConditionParentType' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:32:1: Wrong lexicographical order for 'org.springframework.beans.factory.annotation.Autowired' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ConditionService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:32:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:32:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:56:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:57: Line is longer than 120 characters (found 172). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:71:13: 'if' construct must use '{}'s. [NeedBraces]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:83: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:83:120: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:84:26: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:20:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Condition' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:27:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:35:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:150: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:151: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:152: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:153: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam' import. Should be before 'org.onap.usecaseui.intentanalysis.common.ResponseConsts'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:40:1: Extra separation in import group before 'java.util.Collections' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:40:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:41:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:42:1: Wrong lexicographical order for 'java.util.StringJoiner' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:43:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:45:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:87: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:131: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:138:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:139: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:146:20: Abbreviation in name 'convertToCSV' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:201: Line is longer than 120 characters (found 144). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:21:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:56: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:20:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:25:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:27:1: Extra separation in import group before 'java.nio.charset.StandardCharsets' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:27:1: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:42:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:32:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:34:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:37:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:57:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:65:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:69:50: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:71:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:88:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:93:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:106:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:111:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:120:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:26:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:28:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:28:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:33:14: Abbreviation in name 'IMFRegInfoController' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:35:23: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:35:23: Member name 'IMFRegInfoService' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentInstanceController.java:30:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ExpectationTargetMapper.java:32: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentEventRecord'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:25:40: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:25:40: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:30:67: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:30:67: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.apache.ibatis.annotations.Param'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:27: Line is longer than 120 characters (found 149). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:24:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Intent' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:42:64: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:42:64: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentReport'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:23:1: 'INTERFACE_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:24:18: Abbreviation in name 'IMFRegInfoMapper' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:25:9: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:24:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:24:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:1: Extra separation in import group before 'java.util.concurrent.*' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:1: Wrong lexicographical order for 'java.util.concurrent.*' import. Should be before 'org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:28: Using the '.*' form of import should be avoided - java.util.concurrent.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:28:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:51:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:27:1: Extra separation in import group before 'java.util.concurrent.Callable' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:27:1: Wrong lexicographical order for 'java.util.concurrent.Callable' import. Should be before 'org.springframework.context.ApplicationContext'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38: Line is longer than 120 characters (found 154). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38:5: 'CTOR_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:10: WhitespaceAround: 'else' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:23: WhitespaceAround: '==' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:23: WhitespaceAround: '==' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:47: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:53:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:53:10: WhitespaceAround: 'else' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:61: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:64:60: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:37:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:37:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:38:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:44:14: Abbreviation in name 'CLLDeliveryIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:79: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:83: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:24:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.*' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:25:52: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:36:1: Extra separation in import group before 'java.util.Arrays' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:36:1: Wrong lexicographical order for 'java.util.Arrays' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:38:1: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:40:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:41:1: Wrong lexicographical order for 'java.util.UUID' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:42:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:46:14: Abbreviation in name 'CLLDeliveryActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:47:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:48:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:49:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:98: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:105:46: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:105:46: WhitespaceAround: '->' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:108:46: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:108:46: WhitespaceAround: '->' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:118:62: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:118:84: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:144:85: '+' should be on a new line. [OperatorWrap]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:157:1: Line contains a tab character. [FileTabCharacter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:1: Line contains a tab character. [FileTabCharacter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:9: 'method def modifier' has incorrect indentation level 8, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:9: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:169: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:175:94: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:177:69: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:182: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:24:14: Abbreviation in name 'CLLDeliveryKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:23:1: Extra separation in import group before 'java.util.LinkedHashMap' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:23:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:26:14: Abbreviation in name 'CLLDeliveryDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:33: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:38: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:43: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/DataBaseException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:18:54: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:26:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:26:28: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/IntentInputException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/ErrorMessage.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:38:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:38:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.*' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:39:17: Using the '.*' form of import should be avoided - java.util.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:83: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:91:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:103:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:114: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:114:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:144: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:150:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:161:74: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:162:29: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:163:84: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:34:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:35:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:36:1: Wrong lexicographical order for 'java.util.Locale' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:37:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:55: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:57: Line is longer than 120 characters (found 179). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:64: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:79:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:85: Line is longer than 120 characters (found 147). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:86: Line is longer than 120 characters (found 155). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:99: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:116:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:116:17: Method name 'UpdateIntentInfo' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9_]*$'. [MethodName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:127:74: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:128:29: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:129:84: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:145: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:25:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:27:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:19:1: Wrong lexicographical order for 'java.security.cert.CertificateException' import. Should be before 'javax.net.ssl.X509TrustManager'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:20:1: Wrong lexicographical order for 'java.security.cert.X509Certificate' import. Should be before 'javax.net.ssl.X509TrustManager'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:32:1: Extra separation in import group before 'java.io.IOException' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:32:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:33:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:34:1: Wrong lexicographical order for 'java.util.Set' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.ENCODING_UTF8' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:46:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:32: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:32: ',' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:37: ',' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:36:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:36:60: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49:142: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:63:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:63:58: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:69:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:69:98: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:1: Extra separation in import group before 'javax.net.ssl.*' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:1: Wrong lexicographical order for 'javax.net.ssl.*' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:21: Using the '.*' form of import should be avoided - javax.net.ssl.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:34:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:35:1: Wrong lexicographical order for 'java.io.BufferedReader' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:36:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:37:1: Wrong lexicographical order for 'java.security.SecureRandom' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:38:1: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:56:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:71:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:71:26: Abbreviation in name 'getMSBIAGAddress' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:80:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:102:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:102:36: Abbreviation in name 'getSSLSocketFactory' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:110:31: Empty catch block. [EmptyCatchBlock]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:116:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:43: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:47: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:52: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:57: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:62: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:65:45: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:65:45: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:44:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:44:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:45:1: Wrong lexicographical order for 'java.util.Iterator' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:46:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:47:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:48:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:49:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:54:14: Abbreviation in name 'CLLBusinessIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:98: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:135:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:147:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:158:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:159: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:28:14: Abbreviation in name 'CLLBusinessActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:37:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:37:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:38:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:40:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:41:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:45:14: Abbreviation in name 'CLLBusinessDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:65:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:71: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:83:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:99:17: Distance between variable 'subIntentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:101: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:115:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:120: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:123: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:131: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:156: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:166:21: Local variable name 'bFindIntent' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:192: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:25:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:28:14: Abbreviation in name 'CLLBusinessKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:25:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:26:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:27:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:57: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:83: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:115:93: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:115:93: WhitespaceAround: '+' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:116: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:117: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:117:82: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:26:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:26:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:27:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:28:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:36:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:47:41: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:55: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:57: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:59: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:61: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:64: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:65: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:83:49: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:84:63: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:91:40: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:91:40: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:92:61: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:103:43: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:104:63: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:129:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:145:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:158:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:164:31: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:165:51: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:38:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:38:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:40:1: Wrong lexicographical order for 'java.util.concurrent.ScheduledThreadPoolExecutor' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:41:1: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:42:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:44:1: Import statement for 'org.onap.usecaseui.intentanalysis.bean.enums.IntentGoalType.CREATE' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:67:70: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:68: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:68:129: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:69:81: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:105: Line is longer than 120 characters (found 173). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:32:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:32:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:34:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44: Line is longer than 120 characters (found 153). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:55: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:75: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:153: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:50:77: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:72:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:72:78: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:86:69: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:97:42: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109:141: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:111:50: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:146:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:146:73: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:149:7: Comment has incorrect indentation level 6, expected is 8, indentation should be the same level as line 150. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:153:69: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:165:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:165:66: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:173:84: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:181:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:181:77: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:188:92: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.ServiceResult'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:23:18: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:24:86: ';' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:32:1: Extra separation in import group before 'java.lang.reflect.InvocationTargetException' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:32:1: Wrong lexicographical order for 'java.lang.reflect.InvocationTargetException' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:35:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:40:14: Abbreviation in name 'IMFRegInfoServiceImpl' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:60: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:69:9: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:69:12: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:70:55: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:71: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:10: WhitespaceAround: 'catch' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:10: WhitespaceAround: 'catch' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:24:57: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:26:57: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:25:1: Extra separation in import group before 'java.time.LocalDateTime' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:25:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:31: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:36:17: 'if' child has incorrect indentation level 16, expected level should be 12. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:44: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:54: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentEventRecord' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:31:76: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:31:93: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:32:69: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:76: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:96: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:37:8: 'method def' child has incorrect indentation level 7, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:37:78: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:44: Javadoc comment at column 20 has parse error. Missed HTML close tag 'IntentEventRecord'. Sometimes it means that close tag missed for one of previous tags. [AtclauseOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:46:66: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:46:86: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:47:74: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfoTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:24:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:45:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:22:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:22:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:32:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:33:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:39:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:40:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:22:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:22:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfoTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBeanTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:30:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:36:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:36:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:41:1: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:42:1: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:46:14: Abbreviation in name 'CLLAssuranceActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:60:9: Distance between variable 'expectationList' declaration and its first usage is 13, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:68:9: Distance between variable 'targetList' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:72:9: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:95:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:96:38: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:97:8: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 98. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:98:66: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:107:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:108:48: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:109:8: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 110. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:113:75: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:116:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:117:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:18:1: Wrong lexicographical order for 'jakarta.servlet.FilterChain' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:19:1: Wrong lexicographical order for 'jakarta.servlet.ServletException' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:20:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:21:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletResponse' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:32: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:43:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:23:1: 'java.io.IOException' should be separated from previous import group by one line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:60:27: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:63:17: Abbreviation in name 'testCreateAndDeployCLLPolicySuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:71:17: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedCreateFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:78:17: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedDeployFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:85:17: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:92:17: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccessPolicyNotExist' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:106:68: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:113:75: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:120:71: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:127:71: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:23:34: Using the '.*' form of import should be avoided - org.mockito.Mockito.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:43:14: Abbreviation in name 'SOServiceTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:54:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:55:23: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:65:17: Abbreviation in name 'testCreateCCVPNInstanceFailedCCVPNInstanceIsNull' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:72:17: Abbreviation in name 'testCreateCCVPNInstanceFailedException' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:78:17: Abbreviation in name 'testCreateCCVPNInstanceFailedJobIdNull' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:79:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:94:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:102:17: Abbreviation in name 'testCreateCCVPNInstanceGetCreateStatusFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:103:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:113:17: Abbreviation in name 'testCreateCCVPNInstanceSuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:114:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:39:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:60:54: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:66:9: Distance between variable 'expectation' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:80: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:115: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:129: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:22:1: Extra separation in import group before 'org.junit.Assert' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:26:52: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Condition' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:62:9: Distance between variable 'intent' declaration and its first usage is 24, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:63:9: Distance between variable 'expectation1' declaration and its first usage is 12, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:64:9: Distance between variable 'target1' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:65:9: Distance between variable 'object1' declaration and its first usage is 10, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:66:9: Distance between variable 'intentContext' declaration and its first usage is 18, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:67:9: Distance between variable 'intentFulfillmentInfo' declaration and its first usage is 21, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:23:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:30:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:30:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:31:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:32:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:36:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:59:17: Abbreviation in name 'itCanInsertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:34:1: Extra separation in import group before 'java.io.File' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:34:1: Wrong lexicographical order for 'java.io.File' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:35:1: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:61:9: Distance between variable 'target' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:142: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:35:1: Import statement for 'org.mockito.Mockito.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:35:34: Using the '.*' form of import should be avoided - org.mockito.Mockito.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:124: Line is longer than 120 characters (found 135). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:28:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:36:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:36:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:44:14: Abbreviation in name 'CLLDeliveryActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:69:9: Distance between variable 'gbExpectationList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:79:23: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:87:77: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:91:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:95:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:96:37: '(' is preceded with whitespace. [MethodParamPad]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:96:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:98:9: Distance between variable 'intent' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:99:9: Distance between variable 'expectationList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:103:9: Distance between variable 'targetList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:119:89: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:120:65: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:28:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:36:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:36:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:37:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:39:14: Abbreviation in name 'CLLDeliveryDecisionModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:49:9: Distance between variable 'expectationList' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:59:9: Distance between variable 'expectationTargetList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:63:9: Distance between variable 'targetConditionList' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:63:44: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:91:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:92:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:32: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:33: WhitespaceAround: '}' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:33: '}' at column 33 should be alone on a line. [RightCurlyAlone]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:18:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:39:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:39:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:40:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:41:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:50:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:54:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:82:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:83:44: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:84: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:87:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:88:34: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:92:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:93:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:98:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:111:72: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:18:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:32:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:37:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:37:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:57:9: Distance between variable 'expectationList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:95:9: Distance between variable 'intentContexts' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:99:9: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:99:58: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:47:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:47:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:48:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:49:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:51:1: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:80:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:151:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:60:45: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:61:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:62:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:63:6: 'method def rcurly' has incorrect indentation level 5, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:66:52: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:67:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:67:104: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:68:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:69:6: 'method def rcurly' has incorrect indentation level 5, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:18:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:20:1: Extra separation in import group before 'okhttp3.RequestBody' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.apicall.PolicyAPICall'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:47:17: Abbreviation in name 'testGetMSBAddressSuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:31:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:41:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:41:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:42:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:44:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:44:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:45:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:46:1: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:50:14: Abbreviation in name 'CLLBusinessDecisionModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:67:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:104: Line is longer than 120 characters (found 131). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:105: Line is longer than 120 characters (found 144). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:106:1: Comment has incorrect indentation level 0, expected is 8, indentation should be the same level as line 107. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:119:9: Distance between variable 'intentGoalBeanList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:161:9: Distance between variable 'originIntentGoal' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:184:9: Distance between variable 'intentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:184:72: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:32:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:32:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:33:1: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:34:1: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:38:14: Abbreviation in name 'CLLBusinessActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:43:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:44:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:29:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:50:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:50:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:51:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:52:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:54:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:55:1: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:59:14: Abbreviation in name 'CLLBusinessIntentManagementFunctionTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:87:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:119:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:39:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:39:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:40:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:42:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:43:1: Import statement for 'org.mockito.Mockito.when' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:86:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:109: Line is longer than 120 characters (found 146). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:115:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:140:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:163:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  Audit done.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[34,5] (whitespace) EmptyLineSeparator: 'CTOR_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[34,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[35,62] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[40,26] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[40,26] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[31,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[33,23] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.listener' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[37,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[38,94] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[39,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[39,70] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[40,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[40,82] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[41,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[42,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[42,27] (naming) LocalVariableName: Local variable name 'owner_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[44,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[44,27] (naming) LocalVariableName: Local variable name 'handler_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[46,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[47,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[49,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[50,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[51,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[52,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[53,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[54,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ObjectType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ConditionParentType.java:[21,14] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[23,9] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[24,18] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[25,14] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[26,15] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[27,17] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[28,12] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[29,13] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[30,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[31,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[32,13] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[33,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[34,11] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/NotFulfilledReason.java:[23] (sizes) LineLength: Line is longer than 120 characters (found 138).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/IntentGenerateType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ContextParentType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentEventRecord.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[24,17] (naming) MemberName: Member name 'result_code' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[26,20] (naming) MemberName: Member name 'result_message' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[31,29] (naming) ParameterName: Parameter name 'result_code' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[31,49] (naming) ParameterName: Parameter name 'result_message' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[25,26] (naming) MemberName: Member name 'result_header' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[26,20] (naming) MemberName: Member name 'result_body' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[31,39] (naming) ParameterName: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[31,61] (naming) ParameterName: Parameter name 'result_body' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[36,39] (naming) ParameterName: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Date'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Date' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[25,31] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[27,37] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'javax.persistence.*' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[19,25] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - javax.persistence.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.Serializable' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[23,12] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[23,12] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CCVPNInstance' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[28,29] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBean.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.NotFulfilledState'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObject.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.Data'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.LinkedHashMap'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[43] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[23,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[31,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[36,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[115] (sizes) LineLength: Line is longer than 120 characters (found 146).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[118] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[127,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getCLLId' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[79] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[84] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[19] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[21] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[23,13] (naming) AbbreviationAsWordInName: Abbreviation in name 'createAndDeployModifyCLLPolicy' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[25] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[27] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[29,13] (naming) AbbreviationAsWordInName: Abbreviation in name 'undeployAndRemoveModifyCLLPolicy' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[36] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[38] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:[29,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'PolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:[72] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationCallback.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[27,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[31,24] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'com.alibaba.fastjson2.JSONArray'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONArray' import. Should be before 'java.util.LinkedHashMap'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONObject' import. Should be before 'java.util.LinkedHashMap'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[46,27] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[48,77] (whitespace) NoWhitespaceBefore: ';' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[53,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[53,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getPolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[61,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'setPolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[61,48] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[114] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[131] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[134] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[135] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[136] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[137] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[194] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[197] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[239,45] (whitespace) WhitespaceAfter: 'typecast' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[240,9] (extension) RightCurlySame: '}' at column 9 should be on the same line as the next part of a multi-block statement (one that directly contains multiple blocks: if/else-if/else, do/while or try/catch/finally).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[242,45] (whitespace) WhitespaceAfter: 'typecast' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/ModifyCLLPolicyConstants.java:[19,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'ModifyCLLPolicyConstants' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/IntentConfigPolicyConstants.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Map'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[26,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'createCCVPNInstance' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[21,22] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - retrofit2.http.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[23,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[25,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[26,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[33,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[34,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,17] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,17] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOAuthConfig' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[39,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[41,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOServiceImpl' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[55,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[63,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[75,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'setAAIApiCall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[81,9] (whitespace) WhitespaceAround: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[81,12] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[82,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[87,31] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[92,55] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[92,55] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[96,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[97,17] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[97,17] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[115,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[115,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[126] (sizes) LineLength: Line is longer than 120 characters (found 145).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[129] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[134] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[148,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[150,42] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[152] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[169] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[177] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[189] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[191] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[192] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[205] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[207] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[208] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventEntity.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[49] (sizes) LineLength: Line is longer than 120 characters (found 131).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[52,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicMonitor' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[66] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[77] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[96] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[115] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 125).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[148,19] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRConsumerWrapper' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[165] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[185,51] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[185,51] (naming) ParameterName: Parameter name 'MRTopicParams' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[219] (javadoc) AtclauseOrder: Javadoc comment at column 0 has parse error. Details: no viable alternative at input '         *' while parsing JAVADOC_TAG
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[246] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventModel.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[40] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[63,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[179,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[179,33] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,31] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[296,9] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[302,13] (coding) VariableDeclarationUsageDistance: Distance between variable 'topic' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,27] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,27] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,52] (whitespace) WhitespaceAround: WhitespaceAround: '<' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,52] (whitespace) WhitespaceAround: WhitespaceAround: '<' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,60] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[334,46] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:[18] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationCallback.java:[32,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'DCAENotificationCallback' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[23,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'DCAENotificationService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[28,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[32,24] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[29,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[30,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[31,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[32,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[34] (sizes) LineLength: Line is longer than 120 characters (found 164).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIAuthConfig' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:[18,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[25,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[26,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[27,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ComponentNotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ContextService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Expectation'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Intent' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[43,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[44,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.IntentService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[177,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[179,34] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[181] (sizes) LineLength: Line is longer than 120 characters (found 169).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[224] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[28,48] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.mapper.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[50] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[94] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[96] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[100] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[106] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[130] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[133] (sizes) LineLength: Line is longer than 120 characters (found 125).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[135] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[183] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'lombok.extern.slf4j.Slf4j' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Collections'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ConditionParentType'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.springframework.beans.factory.annotation.Autowired' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ConditionService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[56,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 172).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[71,13] (blocks) NeedBraces: 'if' construct must use '{}'s.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[83,120] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[84,26] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[150] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[151] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[152] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[153] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam' import. Should be before 'org.onap.usecaseui.intentanalysis.common.ResponseConsts'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[40,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Collections'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.StringJoiner' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[43,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[45,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[87] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[131] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[138,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[139] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[146,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'convertToCSV' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[201] (sizes) LineLength: Line is longer than 120 characters (found 144).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[56] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[20,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[25,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[27,1] (imports) CustomImportOrder: Extra separation in import group before 'java.nio.charset.StandardCharsets'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[42,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[32,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[34,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[37,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[57,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[65,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[69,50] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[71,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[88,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[93,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[106,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[111,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[120,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[26,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[28,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[33,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoController' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[35,23] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[35,23] (naming) MemberName: Member name 'IMFRegInfoService' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentInstanceController.java:[30,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ExpectationTargetMapper.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentEventRecord'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[25,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[25,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[30,67] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[30,67] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.apache.ibatis.annotations.Param'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[27] (sizes) LineLength: Line is longer than 120 characters (found 149).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[42,64] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[42,64] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentReport'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[23,1] (whitespace) EmptyLineSeparator: 'INTERFACE_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoMapper' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[25,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.concurrent.*'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.*' import. Should be before 'org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,28] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - java.util.concurrent.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[28,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[51,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[27,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.concurrent.Callable'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.Callable' import. Should be before 'org.springframework.context.ApplicationContext'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 154).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38,5] (whitespace) EmptyLineSeparator: 'CTOR_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,10] (whitespace) WhitespaceAround: WhitespaceAround: 'else' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,23] (whitespace) WhitespaceAround: WhitespaceAround: '==' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,23] (whitespace) WhitespaceAround: WhitespaceAround: '==' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,47] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[53,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[53,10] (whitespace) WhitespaceAround: WhitespaceAround: 'else' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[61] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[64,60] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[79] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[24,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.*' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[25,52] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Arrays'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Arrays' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.UUID' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[46,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[47,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[48,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[49,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[98] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[105,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[105,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[108,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[108,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[118,62] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[118,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[144,85] (whitespace) OperatorWrap: '+' should be on a new line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[157,1] (whitespace) FileTabCharacter: Line contains a tab character.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,1] (whitespace) FileTabCharacter: Line contains a tab character.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,9] (indentation) Indentation: 'method def modifier' has incorrect indentation level 8, expected level should be 4.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,9] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[169] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[175,94] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[177,69] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[182] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[24,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.LinkedHashMap'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[43] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/DataBaseException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[18,54] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[26,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[26,28] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/IntentInputException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/ErrorMessage.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[38,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.*' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[39,17] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - java.util.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[91,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[103,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[114] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[114,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[144] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[150,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[161,74] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[162,29] (naming) LocalVariableName: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[163,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Locale' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[55] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 179).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[64] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[79,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[85] (sizes) LineLength: Line is longer than 120 characters (found 147).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[86] (sizes) LineLength: Line is longer than 120 characters (found 155).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[99] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[116,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[116,17] (naming) MethodName: Method name 'UpdateIntentInfo' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9_]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[127,74] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[128,29] (naming) LocalVariableName: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[129,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:[27,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.cert.CertificateException' import. Should be before 'javax.net.ssl.X509TrustManager'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.cert.X509Certificate' import. Should be before 'javax.net.ssl.X509TrustManager'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.io.IOException'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Set' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.ENCODING_UTF8' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[46,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,32] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,32] (whitespace) NoWhitespaceBefore: ',' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,37] (whitespace) NoWhitespaceBefore: ',' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[36,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[36,60] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49,142] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[63,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[63,58] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[69,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[69,98] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'javax.net.ssl.*'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'javax.net.ssl.*' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,21] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - javax.net.ssl.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.BufferedReader' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.SecureRandom' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[56,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[71,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[71,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getMSBIAGAddress' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[80,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[102,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[102,36] (naming) AbbreviationAsWordInName: Abbreviation in name 'getSSLSocketFactory' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[110,31] (blocks) EmptyCatchBlock: Empty catch block.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[116,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[43] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[47] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[52] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[57] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[62] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[65,45] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[65,45] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[45,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Iterator' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[46,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[47,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[48,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[49,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[54,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[98] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[135,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[147,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[158,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[159] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[28,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[45,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[65,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[71] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[83,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[99,17] (coding) VariableDeclarationUsageDistance: Distance between variable 'subIntentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[101] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[115,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[120] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[123] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[131] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[156] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[166,21] (naming) LocalVariableName: Local variable name 'bFindIntent' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[192] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[28,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[83] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[115,93] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[115,93] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[116] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[117] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[117,82] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[26,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[36,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[47,41] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[55] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[59] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[61] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[64] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[65] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[83,49] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[84,63] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[91,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[91,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[92,61] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[103,43] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[104,63] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[129,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[145,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[158,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[164,31] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[165,51] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.ScheduledThreadPoolExecutor' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.bean.enums.IntentGoalType.CREATE' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[67,70] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[68] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[68,129] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[69,81] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 173).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[34,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44] (sizes) LineLength: Line is longer than 120 characters (found 153).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,55] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,75] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,153] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[50,77] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[72,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[72,78] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[86,69] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[97,42] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109,141] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[111,50] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[146,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[146,73] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[149,7] (indentation) CommentsIndentation: Comment has incorrect indentation level 6, expected is 8, indentation should be the same level as line 150.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[153,69] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[165,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[165,66] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[173,84] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[181,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[181,77] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[188,92] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.ServiceResult'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[23,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[24,86] (whitespace) NoWhitespaceBefore: ';' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.lang.reflect.InvocationTargetException'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.lang.reflect.InvocationTargetException' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[35,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[40,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoServiceImpl' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[60] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[69,9] (whitespace) WhitespaceAround: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[69,12] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[70,55] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[71] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[24,57] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[26,57] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.time.LocalDateTime'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[31] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[36,17] (indentation) Indentation: 'if' child has incorrect indentation level 16, expected level should be 12.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[44] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[54] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentEventRecord' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[31,76] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[31,93] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[32,69] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,76] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,96] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[37,8] (indentation) Indentation: 'method def' child has incorrect indentation level 7, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[37,78] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[44] (javadoc) AtclauseOrder: Javadoc comment at column 20 has parse error. Missed HTML close tag 'IntentEventRecord'. Sometimes it means that close tag missed for one of previous tags.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[46,66] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[46,86] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[47,74] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfoTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[45,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[32,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[33,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[39,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[40,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfoTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBeanTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[30,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[41,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[42,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[46,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[60,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 13, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[68,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetList' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[72,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[95,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[96,38] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[97,8] (indentation) CommentsIndentation: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 98.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[98,66] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[107,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[108,48] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[109,8] (indentation) CommentsIndentation: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 110.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[113,75] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[116,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[117,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[18,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.FilterChain' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.ServletException' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletResponse' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[43,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[23,1] (imports) CustomImportOrder: 'java.io.IOException' should be separated from previous import group by one line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[60,27] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[63,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicySuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[71,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedCreateFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[78,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedDeployFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[85,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[92,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccessPolicyNotExist' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[106,68] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[113,75] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[120,71] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[127,71] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[23,34] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.mockito.Mockito.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[43,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOServiceTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[54,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[55,23] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[65,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedCCVPNInstanceIsNull' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[72,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedException' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[78,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedJobIdNull' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[79,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[94,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[102,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceGetCreateStatusFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[103,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[113,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceSuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[114,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[60,54] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[66,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectation' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[80] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[115] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[129] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.junit.Assert'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[26,52] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Condition' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[62,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intent' declaration and its first usage is 24, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[63,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectation1' declaration and its first usage is 12, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[64,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'target1' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[65,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'object1' declaration and its first usage is 10, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[66,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentContext' declaration and its first usage is 18, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[67,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentFulfillmentInfo' declaration and its first usage is 21, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[23,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[30,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[59,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'itCanInsertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[34,1] (imports) CustomImportOrder: Extra separation in import group before 'java.io.File'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.File' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[61,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'target' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[142] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[35,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[35,34] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.mockito.Mockito.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[124] (sizes) LineLength: Line is longer than 120 characters (found 135).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[28,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[69,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'gbExpectationList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[79,23] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[87,77] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[91,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[95,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[96,37] (whitespace) MethodParamPad: '(' is preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[96,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[98,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intent' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[99,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[103,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[119,89] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[120,65] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[28,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[36,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[37,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[39,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryDecisionModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[49,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[59,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationTargetList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[63,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetConditionList' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[63,44] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[91,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[92,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,32] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,33] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,33] (extension) RightCurlyAlone: '}' at column 33 should be alone on a line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[18,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[39,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[41,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[50,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[54,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[82,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[83,44] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[84] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[87,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[88,34] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[92,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[93,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[98,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[111,72] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[18,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[32,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[57,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[95,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentContexts' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[99,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[99,58] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[47,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[47,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[48,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[49,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[51,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[80,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[151,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[60,45] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[61,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[62,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[63,6] (indentation) Indentation: 'method def rcurly' has incorrect indentation level 5, expected level should be 4.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[66,52] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[67,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[67,104] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[68,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[69,6] (indentation) Indentation: 'method def rcurly' has incorrect indentation level 5, expected level should be 4.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[18,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'okhttp3.RequestBody'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.apicall.PolicyAPICall'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[47,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testGetMSBAddressSuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[31,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[41,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[44,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[44,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[45,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[46,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[50,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessDecisionModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[67,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[104] (sizes) LineLength: Line is longer than 120 characters (found 131).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 144).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[106,1] (indentation) CommentsIndentation: Comment has incorrect indentation level 0, expected is 8, indentation should be the same level as line 107.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[119,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentGoalBeanList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[161,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'originIntentGoal' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[184,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[184,72] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[32,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[32,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[33,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[34,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[38,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[43,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[44,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[29,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[50,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[50,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[51,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[52,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[54,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[55,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[59,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessIntentManagementFunctionTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[87,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[119,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[39,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[42,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[43,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.when' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[86,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[109] (sizes) LineLength: Line is longer than 120 characters (found 146).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[115,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[140,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[163,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] checkstyle:check violations detected but failOnViolation set to false
  [INFO] You have 1071 Checkstyle violations.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ usecase-ui.intent-analysis ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 25 resources
  [INFO] Copying 0 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.11.0:compile (default-compile) @ usecase-ui.intent-analysis ---
  [INFO] Changes detected - recompiling the module! :dependency
  [INFO] Compiling 137 source files with javac [debug target 17] to target/classes
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentOperation.java:[21,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[52,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java: Some input files use or override a deprecated API.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java: Recompile with -Xlint:deprecation for details.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ usecase-ui.intent-analysis ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 11 resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.11.0:testCompile (default-testCompile) @ usecase-ui.intent-analysis ---
  [INFO] Changes detected - recompiling the module! :dependency
  [INFO] Compiling 34 source files with javac [debug target 17] to target/test-classes
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/TestCall.java: Some input files use or override a deprecated API.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/TestCall.java: Recompile with -Xlint:deprecation for details.
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ usecase-ui.intent-analysis ---
  [INFO] Surefire report directory: /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/target/surefire-reports
  [INFO] 
  [INFO] -------------------------------------------------------
  [INFO]  T E S T S
  [INFO] -------------------------------------------------------
  [INFO] Running org.onap.usecaseui.intentanalysis.service.ExpectationObjectServiceTest
  
    .   ____          _            __ _ _
   /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
  ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
   \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
    '  |____| .__|_| |_|_| |_\__, | / / / /
   =========|_|==============|___/=/_/_/_/
   :: Spring Boot ::               (v3.0.11)
  
  2026-05-23 02:25:10:682  WARN 2395 --- [           main] ory$DuplicateJsonObjectContextCustomizer[78] : 
  
  Found multiple occurrences of org.json.JSONObject on the class path:
  
  	jar:file:/tmp/r/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar!/org/json/JSONObject.class
  	jar:file:/tmp/r/org/json/json/20131018/json-20131018.jar!/org/json/JSONObject.class
  
  You may wish to exclude one of them to ensure predictable runtime behavior
  
  2026-05-23 02:25:10:753  INFO 2395 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [51] : Starting ExpectationObjectServiceTest using Java 17.0.4 with PID 2395 (started by jenkins in /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis)
  2026-05-23 02:25:10:754 DEBUG 2395 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [52] : Running with Spring Boot v3.0.11, Spring v6.0.12
  2026-05-23 02:25:10:755  INFO 2395 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [632] : No active profile set, falling back to 1 default profile: "default"
  2026-05-23 02:25:11:807  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'conditionMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ConditionMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:808  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'contextMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:808  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:809  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationObjectMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:810  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationTargetMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:810  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'fulfillmentInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:810  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'IMFRegInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IMFRegInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:811  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentEventRecordMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentEventRecordMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:812  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentInstanceMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentInstanceMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:812  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:813  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentReportFulfillmentInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentReportFulfillmentInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:814  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentReportMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentReportMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:814  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'objectInstanceMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ObjectInstanceMapper' mapperInterface. Bean already defined with the same name!
  2026-05-23 02:25:11:815  WARN 2395 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : No MyBatis mapper was found in '[org.onap.usecaseui.intentanalysis.mapper]' package. Please check your configuration.
  2026-05-23 02:25:12:628  INFO 2395 --- [           main] com.zaxxer.hikari.HikariDataSource      [110] : HikariPool-1 - Starting...
  2026-05-23 02:25:12:980  INFO 2395 --- [           main] com.zaxxer.hikari.pool.HikariPool       [565] : HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:test user=SA
  2026-05-23 02:25:12:982  INFO 2395 --- [           main] com.zaxxer.hikari.HikariDataSource      [123] : HikariPool-1 - Start completed.
  2026-05-23 02:25:13:176  INFO 2395 --- [           main] o.o.u.i.adapters.dmaap.MRTopicMonitor   [81] : Starting Dmaap Bus Monitor
  2026-05-23 02:25:13:455  INFO 2395 --- [           main] o.o.u.i.adapters.dmaap.MRTopicMonitor   [81] : Starting Dmaap Bus Monitor
  2026-05-23 02:25:14:011 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:011 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:041 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:046 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:059 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:066 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:068 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:092 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:103 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:105 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:118 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:120 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:124 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:125 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:134 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:135 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:141 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:150 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:151 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:159 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:161 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:162 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:175 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:178 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:180 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:181 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:194 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:196 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:200 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:202 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:207 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:209 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:214 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:227 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:229 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:232 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:232 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:249 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:254 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:255 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:258 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:272 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:274 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:278 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:279 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:285 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:286 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:288 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:289 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:298 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:299 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:304 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:306 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:307 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:324 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:328 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:329 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:332 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:337 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:339 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:354 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:356 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:358 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:359 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:366 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:369 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:370 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:383 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:384 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:388 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:389 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:393 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:396 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:397 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:400 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:401 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:407 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:410 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:411 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:415 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:418 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:419 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:424 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:424 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:427 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:428 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:433 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:434 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:436 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:447 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:448 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:452 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:454 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:455 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:459 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:459 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:466 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:470 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:470 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:473 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:474 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:476 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:477 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:483 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:487 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:488 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:490 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:491 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:494 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:495 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:520 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:523 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:542 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:543 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:550 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:551 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:573 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:582 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:590 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:594 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:594 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:607 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:608 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:621 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:621  INFO 2395 --- [           main] o.s.b.a.e.web.EndpointLinksResolver     [58] : Exposing 1 endpoint(s) beneath base path '/actuator'
  2026-05-23 02:25:14:621 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:629 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:630 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:640 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:641 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:645 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:647 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:651 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:653 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:663 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:663 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:668 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:671 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:677 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:679 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:692 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:692 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:695 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:695 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:698 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:698 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:700 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:700 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:703 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:703 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:711 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:711 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:714 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:714 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:716 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:716 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:719 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:719 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:722 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:722 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:724 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:724 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:727 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:727 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:729  INFO 2395 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [57] : Started ExpectationObjectServiceTest in 4.407 seconds (process running for 6.211)
  2026-05-23 02:25:14:732 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:732 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:735 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:734 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:738 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:738 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:741 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:742 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:748 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:748 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:756 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:759 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:759 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:764 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:764 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:770 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:770 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:776 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:776 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:795 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:795 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:798 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:798 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:801 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:801 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:803 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:813 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:813 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:816 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:816 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:822 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:822 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:832 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:835 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:839 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:843 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:851 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:851 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:854 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:861 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:861 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:864 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:867 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:872 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:872 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:876 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:876 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:879 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:879 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:887 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:887 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:891 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:891 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:894 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:894 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:900 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:900 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:905 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:910 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:911 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:920 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:920 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:922 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:922 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:927 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:927 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:929 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:929 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:931 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:931 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:939 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:939 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:942 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:942 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:947 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:947 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:951 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:951 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:956 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:956 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:959 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:959 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:961 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:961 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:967 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:967 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:970 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:970 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:982 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:983 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:987 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:991 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:991 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:14:995 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:002 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:002 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:007 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:034 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:034 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:044 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:044 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:048 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:048 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:050 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:050 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:053 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:054 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:061 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:069 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:069 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:079 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:082 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:087 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:087 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:090 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:094 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:118 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:118 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:121 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:124 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:124 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:127 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:129 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:132 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:132 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:134 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:134 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:140 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:149 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:149 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:154 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:157 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:171 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:171 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:176 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:176 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:182 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:183 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:185 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:186 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:189 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:189 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:192 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:192 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:196 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:196 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:200 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:200 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:203 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:203 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:207 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:239 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:239 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:241 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:244 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:244 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:247 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:248 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:250 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:251 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:253 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:254 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:257 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:258 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:265 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:271 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:271 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:275 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:276 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:280 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:280 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:286 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:286 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:290 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:292 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:295 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:298 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:309 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:325 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:335 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:335 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:338 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:338 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:341 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:341 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:351 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:352 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:354 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:355 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:357 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:359 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:360 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:364 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:364 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:367 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:373 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:373 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:381 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:382 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:385 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:387 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:393 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:394 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:398 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:399 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:416 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:417 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:421 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:422 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:428 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:429 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:432 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:434 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:435 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:439 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:440 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:445 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:445 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:450 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:453 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:458 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:459 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:469 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:472 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:474 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:474 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:479 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:479 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:485 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:487 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:488 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:491 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:491 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:495 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:495 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:502 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:503 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:505 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:506 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:508 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:509 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:515 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:515 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:518 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:518 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:521 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:527 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:528 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:526 DEBUG 2395 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==>  Preparing: select intent_id intentId, intent_name intentName, intent_generateType intentGenerateType from intent where intent_name like ?
  2026-05-23 02:25:15:531 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:531 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:534 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:534 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:541 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:541 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:544 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:544 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:547 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:550 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:550 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:552 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:553 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:556 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:556 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:560 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:566 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:566 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:573 DEBUG 2395 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==> Parameters: CLLBusiness intent(String)
  2026-05-23 02:25:15:584 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:591 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:591 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:593 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:593 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:596 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:596 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:600 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:600 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:611 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:611 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:613 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:613 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:616 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:616 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:618 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:619 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:622 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:622 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:623 DEBUG 2395 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : <==      Total: 0
  2026-05-23 02:25:15:625 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:625 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:629 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:629 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:632 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:632 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:634 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:634 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:636 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:637 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:638  INFO 2395 --- [           main] o.o.u.i.service.impl.IntentServiceImpl  [171] : Intent list is null, intentName = CLLBusiness intent
  2026-05-23 02:25:15:639 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:640 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:640  INFO 2395 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[65] : FormatIntentInputMgt investigation create process start
  2026-05-23 02:25:15:643 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:644 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:647 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:647 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:650 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:650 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:654 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:654 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:658 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:658 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:662 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:662 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:666 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:666 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:667 DEBUG 2395 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[69] : FormatIntentInputMgt need decompose :false
  2026-05-23 02:25:15:668  INFO 2395 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[75] : FormatIntentInputMgt investigation create process finished
  2026-05-23 02:25:15:668 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:669 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:669 DEBUG 2395 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLLBusiness intent
  2026-05-23 02:25:15:672 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:674 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:676 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:677 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:680 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:680 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:682 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:683 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:686 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:686 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:695 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:695 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:697 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:699  INFO 2395 --- [           main] o.o.u.i.service.impl.IntentServiceImpl  [171] : Intent list is null, intentName = CLLBusiness intent
  2026-05-23 02:25:15:699 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:700 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:700  INFO 2395 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [132] : CLLBusinessIntentManagementFunction investigation create process start
  2026-05-23 02:25:15:701 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:702 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:704 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:704 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:704 DEBUG 2395 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [134] : CLLBusinessIntentManagementFunction need decompose :true
  2026-05-23 02:25:15:706 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:706 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:709 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:709 DEBUG 2395 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : ==>  Preparing: select imfr_info_id id,imfr_info_description description,support_area supportArea, support_model supportModel, support_interfaces supportInterfaces,handle_name handleName,intent_function_type intentFunctionType from intent_management_function_reg_info
  2026-05-23 02:25:15:710 DEBUG 2395 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : ==> Parameters: 
  2026-05-23 02:25:15:710 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:713 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:713 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:718 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:718 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:720 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:720 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:722 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:722 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:724 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:724 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:726 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:726 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:728 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:728 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:730 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:730 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:732 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:732 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:736 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:736 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:735 DEBUG 2395 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : <==      Total: 3
  2026-05-23 02:25:15:737  INFO 2395 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [146] : CLLBusinessIntentManagementFunction investigation create process finished
  2026-05-23 02:25:15:738 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:738 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:740 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:740 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:743 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:743 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:747 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:747 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:750 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:750 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:752 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:753 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:756 DEBUG 2395 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [147] : CLLBusinessIntentManagementFunction decomposed subIntent list name :CLL Delivery Intent,CLL Assurance Intent
  2026-05-23 02:25:15:756 DEBUG 2395 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLL Delivery Intent
  2026-05-23 02:25:15:757 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:757 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:759 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:759 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:760 DEBUG 2395 --- [           main] .i.c.CLLDeliveryIntentManagementFunction[82] : cllDelivery Intent create begin time:2026-05-23T02:25:15.760736287
  2026-05-23 02:25:15:761 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:761 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:763 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:763 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:765 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:765 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:766 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:767 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:768 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-05-23 02:25:15:769 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:769 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:772 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:772 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:774 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:774 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:773 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-05-23 02:25:15:777 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:777 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:779 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==>  Preparing: insert into Intent(intent_id, intent_name,intent_generateType) values(?, ?,?)
  2026-05-23 02:25:15:779 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:779 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:783 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:783 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:785 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:788 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:780 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String), CREATE(String)
  2026-05-23 02:25:15:785 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:789 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-05-23 02:25:15:789 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:796 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:796 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:797 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 1: None Intent Event Record been got. Will try again.
  2026-05-23 02:25:15:798 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String), CLL Delivery Intent(String), SYSTEMGENARATE(String)
  2026-05-23 02:25:15:798 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:798 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:799 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : <==    Updates: 1
  2026-05-23 02:25:15:800 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:15:800 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:800 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:801 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:15:802 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:802 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:803 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-05-23 02:25:15:803  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is fbcd0f83e17e479a84b2cc5e33aca9d6
  2026-05-23 02:25:15:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:804 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:807 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:807 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:808 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:809 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:812 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:814 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:814 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:816 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:816 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:818 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:818 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:821 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:822 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:824 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:824 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:826 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:826 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:829 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:829 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:838 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:838 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:840 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:842 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:842 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:844 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:844 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:846 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:846 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:848 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:848 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:850 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:850 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:852 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:852 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:854 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:854 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:856 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:857 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:857 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:861 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:861 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:862 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:863 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:865 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:865 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:867 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:867 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:870 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:874 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:874 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:876 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:878 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:881 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:882 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:883 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:883 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:886 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:889 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:889 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:889 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-05-23 02:25:15:891 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:891 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:893 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:15:894 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:894 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:896 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:897 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:905 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:15:905 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:905 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:15:907 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:15:907 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:907 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:909 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:909 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:911 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:911 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:913 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:915 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:915 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:917 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:917 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:917 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:15:919 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:919 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:917  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-05-23 02:25:15:921 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:921 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:923 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:923 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:925 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:925 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:928 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:928 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:930 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:930 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:933 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:933 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:933 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:15:934 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 34409a35d76d40c99d88ea4316422358(String), condition of the cll service source(String), EQUALTO(String), tranportEp_src_ID_111_1(onu-1(companyA))(String), 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:15:935 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:15:935  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:15:936 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:936 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:937 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:15:938 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:938 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:939 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 2c88eaefbf1945e187464fbe196f9b9e(String), condition of the cll service destination(String), EQUALTO(String), tranportEp_dst_ID_212_1(cloud-pop-1(cloud 1))(String), 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:15:940 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:15:940 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:940 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:940  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:15:942 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:942 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:942 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:15:943 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 017c9f01a2574368b408edde072e6e0e(String), condition of the cll service bandwidth(String), EQUALTO(String), 1000(String), babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:15:945 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:945 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:945 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:15:946  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:15:947 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:947 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:949 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:949 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:951 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:951 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:952 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-05-23 02:25:15:953 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:954 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String), source(String), fbcd0f83e17e479a84b2cc5e33aca9d6(String), 49c7a54cf35f4d0ca6f985a8342db102(String), destination(String), fbcd0f83e17e479a84b2cc5e33aca9d6(String), babcd2dd57984209b9f082864202c20b(String), bandwidth(String), fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:15:954 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:956 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:956 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:958 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 3
  2026-05-23 02:25:15:959 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:959  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-05-23 02:25:15:959 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:959 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:15:961 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:961 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:962 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:15:965 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:965 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-05-23 02:25:15:965 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:965  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is d2dc5881123d4db7b0d90d478da184d5
  2026-05-23 02:25:15:967 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:967 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:968 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-05-23 02:25:15:968 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:15:970 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:971 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:971 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:15:973 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:973 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:973 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:15:973 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:15:974 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:15:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:976  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-05-23 02:25:15:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:980 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:15:981 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: ed877ea6f92b4c63b679c6f7265c32cb(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), 10(String), 77075f6e27a54c2b8a32ce50a7e49e06(String)
  2026-05-23 02:25:15:982 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:982 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:984 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:15:984  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:15:985 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:985 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:986 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-05-23 02:25:15:988 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:988 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:991 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 77075f6e27a54c2b8a32ce50a7e49e06(String), bandwidthAssurance(String), d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:15:991 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:991 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:993 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-05-23 02:25:15:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:994 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:994  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-05-23 02:25:15:996 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:996 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:999 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:15:999 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:000 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : ==>  Preparing: insert into expectation(expectation_id, expectation_name, expectation_type, intent_id) values (?, ?, ?, ?) , (?, ?, ?, ?)
  2026-05-23 02:25:16:001 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String), CLL Delivery Expectation(String), DELIVERY(String), 641c3b33c8d74393b5184a647b525ffd(String), d2dc5881123d4db7b0d90d478da184d5(String), CLL Report Expectation(String), REPORT(String), 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:16:001 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:001 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:003 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:004 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:005 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : <==    Updates: 2
  2026-05-23 02:25:16:006  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ExpectationServiceImpl   [82] : Successfully created expectation list to database.
  2026-05-23 02:25:16:006 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:007 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:16:007 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 2384ccfca87c40649c9e6f95a809aa4b(String), owner class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.CLLBusinessIntentManagementFunction(String), 1406998e7cfb4ea6ba28b824ff6f1860(String)
  2026-05-23 02:25:16:008 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:16:008  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:16:008 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:009 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:008 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:16:010 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:010 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:011 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 26b663780518444ea5e61c79ca523285(String), handler class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.CLLDeliveryIntentManagementFunction(String), aaa52e74c2c94bf49fba1ba49975e9c5(String)
  2026-05-23 02:25:16:012 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:16:012  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:16:012 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:16:012 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:012 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:013 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: e37aad509bb44f758858b69562b9ad41(String), CLLBusiness intentid(String), EQUALTO(String), 3f6cfed616da4803bde93d655e13dc0c(String), 5e9590e3a5fb4dcc8a8bba0ef23847d2(String)
  2026-05-23 02:25:16:014 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:16:014  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:16:015 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:015 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:018 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : ==>  Preparing: insert into context(context_id, context_name, parent_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-05-23 02:25:16:019 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : ==> Parameters: 1406998e7cfb4ea6ba28b824ff6f1860(String), owner info(String), 641c3b33c8d74393b5184a647b525ffd(String), aaa52e74c2c94bf49fba1ba49975e9c5(String), handler info(String), 641c3b33c8d74393b5184a647b525ffd(String), 5e9590e3a5fb4dcc8a8bba0ef23847d2(String), parentIntent info(String), 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:16:020 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : <==    Updates: 3
  2026-05-23 02:25:16:020  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [63] : Successfully created context list to database.
  2026-05-23 02:25:16:020 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:020 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:022 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:022 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:022 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : ==>  Preparing: insert into intent_instance(intent_instance_id,intent_id) values (?,?);
  2026-05-23 02:25:16:023 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : ==> Parameters: 3abb23fe548646bf87e5e89d1ce0dce5(String), 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:16:023 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : <==    Updates: 1
  2026-05-23 02:25:16:023  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.IntentServiceImpl  [89] : Successfully created intent to database.
  2026-05-23 02:25:16:024 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:024 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:025 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:026 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:028 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:028 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:030 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:030 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:032 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:032 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:034 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:034 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:037 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:037 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:040 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:040 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:043 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:043 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:046 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:046 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:048 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:048 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:051 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:051 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:054 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:056 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:058 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:058 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:060 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:060 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:062 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:062 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:065 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:065 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:067 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:067 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:069 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:069 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:071 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:071 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:073 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:073 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:075 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:076 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:077 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:077 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:079  INFO 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-05-23 02:25:16:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:080 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:082 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:086 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:086 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:088 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:098 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:099 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:101 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:101 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:103 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:103 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:105 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:105 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:107 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:108 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:109 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:110 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:111 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:111 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:113 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:113 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:115 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:117 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:118 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:119 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:122 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:129 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:136 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:136 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:139 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:139 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:141 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:142 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:144 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:145 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:146 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:149 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:149 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:152 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:154 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:155 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:156 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:162 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:164 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:166 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:167 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:168 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:170 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:172 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:173 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:174 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:176 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:177 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:178 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:179 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:179 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:182 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:183 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:184 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:185 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:186 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:188 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:188 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:191 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:191 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:192 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:193 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:193 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:197 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:199 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:205 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:206 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:210 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:211 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:212 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:216 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:219 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:220 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:224 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:225 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:226 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:226 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:231 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:231 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:237 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:239 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:242 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:248 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:248 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:253 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:253 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:261 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:268 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:268 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:274 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:274 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:277 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:278 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:282 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:282 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:286 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:286 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:290 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:290 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:297 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:297 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:303 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:305 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:305 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:307 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:307 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:310 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:310 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:312 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:312 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:316 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:316 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:318 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:318 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:332 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:335 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:337 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:337 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:340 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:340 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:359 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:359 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:361 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:361 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:363 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:363 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:365 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:365 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:367 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:368 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:369 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:370 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:371 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:371 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:372 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:373 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:374 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:374 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:378 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:378 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:380 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:380 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:388 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:388 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:390 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:393 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:393 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:396 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:396 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:400 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:401 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:409 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:409 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:414 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:419 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:419 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:421 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:422 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:425 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:425 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:427 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:427 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:429 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:429 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:431 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:431 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:433 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:433 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:435 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:435 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:437 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:438 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:438 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:442 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:442 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:444 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:444 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:445 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:446 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:452 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:452 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:454 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:454 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:456 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:456 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:457 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:458 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:459 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:461 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:463 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:467 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:467 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:469 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:469 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:471 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:471 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:476 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:476 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:478 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:479 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:481 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:483 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:483 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:485 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:485 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:487 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:488 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:491 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:491 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:494 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:494 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:499 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:499 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:505 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:505 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:516 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:518 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:519 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:527 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:528 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:530 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:531 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:533 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:534 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:542 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:543 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:545 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:546 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:554 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:555 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:557 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:558 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:559 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:562 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:563 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:565 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:565 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:568 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:569 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:571 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:571 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:580 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:582 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:583 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:587 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:588 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:589 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:592 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:593 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:599 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:602 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:604 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:606 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:607 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:608 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:610 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:613 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:612 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:616 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:616 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:627 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:629 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:630 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:633 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:634 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:635 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:635 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:638 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:638 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:644 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:645 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:647 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:648 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:650 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:651 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:652 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:654 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:654 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:656 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:657 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:664 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:666 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:668 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:669 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:670 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:672 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:672 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:674 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:676 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:678 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:679 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:682 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:683 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:684 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp: System error
  	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
  	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933)
  	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1529)
  	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:16:685 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-05-23 02:25:16:685  INFO 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-05-23 02:25:16:687 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:16:687 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-05-23 02:25:16:687  INFO 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-05-23 02:25:16:688 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:16:688 ERROR 2395 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-05-23 02:25:16:689 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : ==>  Preparing: select expectation_id expectationId, expectation_name expectationName, expectation_type expectationType from expectation where expectation_id = ?
  2026-05-23 02:25:16:691 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:692 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:694 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:694 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : <==      Total: 1
  2026-05-23 02:25:16:695 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:696 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:16:696 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:698 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:16:698 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:16:698 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:698 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:698 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:699 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:16:700 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:16:701 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96(String)
  2026-05-23 02:25:16:702 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:702 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:702 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:16:702  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:16:702  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:16:703 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:16:703 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:703 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:16:704 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-05-23 02:25:16:704 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:704 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:705 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:707 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 3
  2026-05-23 02:25:16:707 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:707 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:708 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:16:708 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:16:709 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:709 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:16:710 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:16:710 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:16:710 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:16:710 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:711  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 17843ea6d35941da838c8a75046aae87
  2026-05-23 02:25:16:711 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:16:711 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:713 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:16:715 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:16:715  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 17843ea6d35941da838c8a75046aae87
  2026-05-23 02:25:16:716 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:16:716 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:16:716 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:716 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:716 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:16:717 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:16:717 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:16:718 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:719 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:16:719  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 49c7a54cf35f4d0ca6f985a8342db102
  2026-05-23 02:25:16:719 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:16:719 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:721 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:16:721 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:16:721  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 49c7a54cf35f4d0ca6f985a8342db102
  2026-05-23 02:25:16:722 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:16:722 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:16:722 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:723 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:16:723 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:724 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:16:724 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:16:725 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:16:725  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = babcd2dd57984209b9f082864202c20b
  2026-05-23 02:25:16:725 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:16:725 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:16:726 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:726 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:726 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:16:727  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = babcd2dd57984209b9f082864202c20b
  2026-05-23 02:25:16:727 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:16:727 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:728 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:16:728  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = fbcd0f83e17e479a84b2cc5e33aca9d6
  2026-05-23 02:25:16:729 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:729 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:16:729 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:16:730 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:732 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:16:732  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = fbcd0f83e17e479a84b2cc5e33aca9d6
  2026-05-23 02:25:16:739 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:739 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:741 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:741 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:742 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:742 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:743 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:745 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:746 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:747 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:751 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:751 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:752 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:752 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:754 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:754 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:755 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:756 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:757 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:758 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:758 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:759 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:761 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:761 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:762 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:762 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:764 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:764 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:765 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:766 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:767 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:767 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:768 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:768 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:770 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:770 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:771 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:771 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:772 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:772 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:774 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:774 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:775 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:775 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:776 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:776 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:778 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:778 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:779 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:779 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:781 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:781 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:782 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:782 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:783 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:783 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:784 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:785 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:786 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:794 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:794 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:796 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:796 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:797 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:797 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:797 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-05-23 02:25:16:798 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-05-23 02:25:16:798 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String), CREATE(String)
  2026-05-23 02:25:16:799 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:799 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-05-23 02:25:16:799 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 2: None Intent Event Record been got. Will try again.
  2026-05-23 02:25:16:800 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:800 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:801 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:802 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:803 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:803 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:805 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:806 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:806 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:807 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:807 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:809 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:809 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:810 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:810 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:812 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:813 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:813 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:815 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:815 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:816 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:816 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:818 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:818 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:819 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:819 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:821 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:821 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:829 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:829 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:831 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:831 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:833 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:833 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:834 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:834 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:836 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:836 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:837 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:837 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:839 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:839 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:840 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:841 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:842 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:844 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:846 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:847 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:848 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:850 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:851 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:851 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:852 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:858 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:859 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:861 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:862 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:862 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:864 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:864 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:865 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:865 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:867 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:867 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:868 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:868 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:870 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:871 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:871 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:872 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:873 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:874 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:874 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:875 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:875 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:877 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:877 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:878 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:878 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:880 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:881 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:881 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:882 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:883 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:884 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:884 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:886 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:887 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:895 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:895 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:896 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:896 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:898 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:898 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:899 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:900 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:900 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:902 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:902 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:903 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:903 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:904 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:906 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:906 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:907 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:907 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:909 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:909 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:910 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:910 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:911 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:912 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:913 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:914 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:914 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:916 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:916 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:920 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:920 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:921 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:921 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:923 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:924 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:926 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:927 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:929 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:929 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:931 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:931 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:932 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:932 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:934 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:934 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:935 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:941 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:943 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:944 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:943 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:946 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:947 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:947 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:948 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:949 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:950 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:950 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:951 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:952 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:953 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:954 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:956 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:957 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:971 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:973 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:973 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:975 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:975 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:979 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:980 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:980 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:982 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:983 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:984 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:985 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:985 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:988 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:989 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:999 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:16:999 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:000 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:000 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:001 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:001 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:003 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:003 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:004 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:004 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:006 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:007 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:007 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:008 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:008 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:010 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:010 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:011 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:011 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:012 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:012 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:014 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:014 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:015 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:015 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:016 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:017 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:018 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:019 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:019 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:020 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:020 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:031 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:031 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:032 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:033 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:034 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:035 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:036 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:036 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:038 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:038 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:039 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:039 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:040 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:040 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:042 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:042 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:043 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:044 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:044 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:045 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:045 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:047 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:048 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:048 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:049 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:050 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:051 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:051 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:053 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:055 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:055 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:057 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:059 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:060 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:060 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:061 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:063 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:064 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:065 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:065 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:066 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:067 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:067 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:069 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:078 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:079 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:080 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:080 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:082 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:083 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:085 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:085 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:086 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:087 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:088 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:089 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:089 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:090 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:092 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:092 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:093 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:093 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:094 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:096 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:096 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:097 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:097 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:098 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:098 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:100 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:100 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:101 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:101 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:103 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:103 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:104 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:104 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:105 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:105 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:107 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:107 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:118 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:119 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:120 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:120 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:121 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:123 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:123 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:124 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:124 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:125 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:125 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:127 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:127 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:128 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:128 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:129 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:131 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:131 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:132 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:132 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:135 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:135 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:136 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:136 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:137 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:137 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:139 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:139 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:140 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:141 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:142 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:143 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:143 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:144 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:144 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:145 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:145 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:146 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:147 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:149 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:150 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:151 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:151 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:152 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:152 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:153 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:155 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:155 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:162 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:162 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:164 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:165 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:165 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:166 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:166 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:167 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:167 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:168 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:168 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:170 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:171 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:171 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:172 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:173 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:174 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:174 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:175 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:175 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:176 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:176 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:177 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:178 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:179 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:179 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:180 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:180 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:182 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:182 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:183 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:183 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:184 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:186 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:187 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:187 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:188 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:188 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:199 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:199 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:200 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:200 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:201 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:201 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:203 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:203 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:204 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:204 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:205 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:205 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:206 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:206 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:208 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:209 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:209 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:210 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:210 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:212 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:212 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:213 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:214 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:214 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:215 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:217 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:217 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:218 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:218 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:219 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:219 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:220 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:220 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:230 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:230 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:231 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:231 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:233 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:233 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:234 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:234 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:235 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:235 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:236 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:237 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:238 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:238 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:239 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:239 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:240 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:241 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:242 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:243 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:243 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:244 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:244 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:246 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:246 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:247 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:247 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:248 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:248 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:250 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:250 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:251 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:259 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:260 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:260 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:261 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:261 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:263 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:263 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:264 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:264 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:265 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:266 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:266 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:268 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:268 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:269 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:269 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:270 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:270 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:271 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:272 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:273 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:273 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:276 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:276 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:278 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:278 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:279 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:279 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:280 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:280 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:287 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:287 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:289 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:289 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:290 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:290 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:291 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:291 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:292 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:292 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:293 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:294 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:295 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:295 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:296 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:296 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:298 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:299 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:300 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:303 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:303 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:304 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:304 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:306 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:306 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:307 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:307 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:308 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:308 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:312 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:313 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:314 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:314 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:315 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:315 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:321 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:321 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:322 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:322 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:323 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:323 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:325 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:325 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:326 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:327 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:327 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:328 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:328 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:330 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:330 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:331 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:331 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:332 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:342 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:343 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:344 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:344 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:345 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:345 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:346 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:346 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:347 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:348 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:349 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:349 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:350 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:350 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:351 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:351 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:352 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:352 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:353 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:353 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:354 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:355 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:356 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:356 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:357 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:357 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:358 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:359 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:360 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:360 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:361 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:361 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:368 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:370 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:370 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:371 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:371 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:372 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:372 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:373 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:373 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:374 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:375 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:376 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:376 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:377 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:377 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:378 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:378 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:381 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:381 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:382 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:382 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:383 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:383 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:384 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:384 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:386 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:386 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:387 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:387 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:388 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:388 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:389 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:389 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:391 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:391 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:392 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:392 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:399 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:399 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:400 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:401 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:402 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:402 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:403 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:403 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:404 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:404 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:405 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:405 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:408 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:408 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:409 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:409 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:410 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:411 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:412 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:415 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:415 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:416 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:416 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:417 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:417 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:419 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:419 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:420 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:420 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:421 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:421 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:422 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:422 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:424 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:424 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:425 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:425 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:426 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:426 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:427 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:427 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:430 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:431 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:432 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:433 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:433 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:434 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:434 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:436 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:436 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:437 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:438 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:439 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:447 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:447 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:448 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:448 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:449 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:450 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:451 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:452 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:452 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:453 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:455 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:455 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:456 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:456 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:457 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:457 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:458 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:458 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:459 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:459 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:460 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:460 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:462 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:463 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:464 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:464 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:466 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:466 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:467 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:467 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:471 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:471 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:472 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:472 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:473 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:473 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:475 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:475 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:476 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:476 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:477 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:477 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:478 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:478 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:479 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:479 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:480 ERROR 2395 --- [hread_Excutor-1] o.o.u.i.adapters.so.impl.SOServiceImpl  [140] : Failed to send intent creation request. Details: msb-iag.onap: System error
  2026-05-23 02:25:17:482 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:17:482 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:482 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:482 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:483 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:17:483  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = fbcd0f83e17e479a84b2cc5e33aca9d6
  2026-05-23 02:25:17:483 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:483 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:484 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : ==>  Preparing: insert into fulfillment_info(fulfillment_info_id, fulfillment_info_status, not_fulfilled_state, not_fulfilled_reason,achieve_value) values (?, ?, ?, ?,?)
  2026-05-23 02:25:17:484 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:484 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:485 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:485 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:486 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String), NOT_FULFILLED(String), FULFILMENTFAILED(String), msb-iag.onap: System error(String), null
  2026-05-23 02:25:17:487 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:487 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:487 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : <==    Updates: 1
  2026-05-23 02:25:17:487  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [46] : Successfully created fulfillment info to database.
  2026-05-23 02:25:17:488 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:488 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:488 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:489 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:17:489 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:489 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:489 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:490 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:490 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:491 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:491 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:491 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:491 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96(String)
  2026-05-23 02:25:17:492 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:492  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:17:492  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:17:492 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:492 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:493 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:493 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:493 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:494 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:494 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:494 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:495 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:495 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:17:495 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:495 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:495 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:496 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:496 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:496 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:497 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96(String)
  2026-05-23 02:25:17:497 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:497 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:497 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:497  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:17:497  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:17:498 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:498 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:498 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:498 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:498 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:499 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:499 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:500 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:500 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:500 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:500 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:500 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96(String)
  2026-05-23 02:25:17:501 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:501  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:17:501 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:502 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:502 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:502 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:502 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:510 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-05-23 02:25:17:510 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:510 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:511 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String), cll-7000000048988020(String)
  2026-05-23 02:25:17:511 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-05-23 02:25:17:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:512 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:513 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:513 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:514 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==>  Preparing: update expectation_object set object_type = ? where expectation_id = ?
  2026-05-23 02:25:17:514 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:516 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==> Parameters: CCVPN(String), fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:17:516 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:516 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:517 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:17:517 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:517 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:517  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[115] : Successfully updated expectation object to database.
  2026-05-23 02:25:17:518 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:518 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:519 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:519 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:519 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:17:519 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:519 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:520 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:520 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:520 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:521 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8(String)
  2026-05-23 02:25:17:521 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:521 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:522  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:17:522  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:17:522 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:522 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:522 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:522 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:522 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:523 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:523 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:524 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:524 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:17:524 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:525 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:525 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:525 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:526 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:526 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:526 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:526 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:527 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8(String)
  2026-05-23 02:25:17:527 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:527  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:17:527  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:17:527 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:527 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:528 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:528 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:528 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:529 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:529 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:529 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:17:529 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:529 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:17:530 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:530 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:531 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:17:531 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8(String)
  2026-05-23 02:25:17:531 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:531 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:17:531  INFO 2395 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:17:532 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:17:532 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:532 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:17:532 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-05-23 02:25:17:533 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String), cll-7000000048988020(String)
  2026-05-23 02:25:17:533 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-05-23 02:25:17:533 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==>  Preparing: update expectation_object set object_type = ? where expectation_id = ?
  2026-05-23 02:25:17:533 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==> Parameters: CCVPN(String), d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:17:534 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:17:534  INFO 2395 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[115] : Successfully updated expectation object to database.
  2026-05-23 02:25:17:535  INFO 2395 --- [hread_Excutor-1] o.o.u.i.c.c.CLLDeliveryActuationModule  [188] : cllDeliveryActuationModule end to update originIntent subIntentInfo
  2026-05-23 02:25:17:535 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:535 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:536 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:536 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:537 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : ==>  Preparing: insert into intent_event_record(intent_id, intent_name, intent_status, operate_type, parent_id) values(?, ?, ?, ?, ?)
  2026-05-23 02:25:17:538 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String), CLL Delivery Intent(String), success(String), CREATE(String), 3f6cfed616da4803bde93d655e13dc0c(String)
  2026-05-23 02:25:17:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:538 DEBUG 2395 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : <==    Updates: 1
  2026-05-23 02:25:17:539  INFO 2395 --- [hread_Excutor-1] o.o.u.i.Thread.CreateCallable           [63] : CLL Delivery Intent Intent operate finished
  2026-05-23 02:25:17:543 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:543 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:544 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:544 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:545 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:545 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:546 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:546 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:547 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:548 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:548 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:549 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:549 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:550 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:551 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:552 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:552 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:553 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:553 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:554 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:554 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:555 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:555 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:556 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:556 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:557 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:557 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:558 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:558 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:559 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:559 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:561 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:562 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:562 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:563 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:563 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:564 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:564 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:565 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:565 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:566 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:566 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:567 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:567 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:568 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:568 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:569 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:569 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:570 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:571 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:572 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:572 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:573 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:573 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:574 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:574 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:575 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:575 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:576 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:576 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:577 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:577 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:578 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:579 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:580 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:580 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:581 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:581 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:582 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:582 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:587 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:587 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:589 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:589 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:590 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:592 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:592 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:595 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:595 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:597 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:598 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:599 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:599 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:601 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:601 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:603 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:603 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:604 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:604 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:606 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:606 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:607 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:607 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:609 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:610 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:611 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:611 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:613 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:613 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:614 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:615 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:616 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:616 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:617 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:617 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:619 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:619 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:620 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:620 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:621 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:621 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:622 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:623 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:624 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:624 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:630 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:630 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:631 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:632 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:632 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:634 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:634 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:635 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:636 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:637 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:638 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:638 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:639 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:639 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:640 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:640 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:644 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:644 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:652 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:652 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:653 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:654 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:654 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:655 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:656 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:657 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:657 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:658 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:659 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:659 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:660 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:660 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:662 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:662 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:664 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:664 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:665 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:665 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:667 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:667 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:668 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:668 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:669 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:670 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:671 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:671 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:672 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:672 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:673 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:674 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:675 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:675 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:676 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:676 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:677 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:677 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:678 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:678 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:679 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:679 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:681 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:681 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:682 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:682 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:683 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:683 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:684 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:684 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:686 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:686 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:687 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:688 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:688 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:689 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:690 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:691 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:691 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:692 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:693 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:693 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:695 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:695 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:696 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:696 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:697 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:697 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:698 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:698 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:700 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:700 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:709 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:709 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:711 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:712 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:713 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:713 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:714 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:715 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:718 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:718 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:719 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:719 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:720 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:721 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:726 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:727 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:730 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:733 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:735 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:736 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:736 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:740 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:740 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:743 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:743 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:748 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:748 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:750 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:750 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:751 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:751 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:752 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:753 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:753 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:755 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:757 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:758 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:759 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:759 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:760 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:763 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:763 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:764 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:764 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:766 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:766 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:771 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:771 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:772 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:772 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:773 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:773 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:774 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:774 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:776 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:776 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:777 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:777 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:779 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:779 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:780 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:780 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:782 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:782 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:784 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:784 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:786 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:786 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:788 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:788 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:790 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:791 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:791 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:793 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:793 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:794 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:795 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:796 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:797 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:798 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:799 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:799 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-05-23 02:25:17:800 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-05-23 02:25:17:800 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String), CREATE(String)
  2026-05-23 02:25:17:801 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:801 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 1
  2026-05-23 02:25:17:801 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[189] : Successfully got Intent Event Record from DB.
  2026-05-23 02:25:17:803 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:805 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:807 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:808 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:809 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:810 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:811 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:815 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:815 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:816 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:816 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:817 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:817 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:818 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:820 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:820 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:821 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:823 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:823 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:824 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:826 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:826 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:827 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:828 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:828 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:830 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:830 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:832 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:833 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:834 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:835 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:835 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:838 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:838 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:840 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:843 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:845 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:845 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:846 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:846 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:847 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:847 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:849 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:849 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:852 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:852 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:853 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:853 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:855 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:857 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:857 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:859 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:859 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:861 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:862 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:863 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:863 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:865 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:865 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:866 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:866 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:868 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:868 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:870 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:872 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:872 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:874 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:874 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:875 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:877 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:878 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:879 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:881 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:882 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:882 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:883 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:884 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:884 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:886 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:888 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:888 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:889 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:890 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:894 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:895 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:895 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:896 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:897 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:898 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:898 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:899 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:899 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:900 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:901 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:905 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:911 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:911 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:912 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:912 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:913 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:914 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:914 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:915 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:915 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:916 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:916 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:917 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:917 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:926 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:926 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:928 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:928 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:929 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:929 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:930 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:930 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:931 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:931 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:932 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:932 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:934 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:934 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:935 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:935 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:936 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:936 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:937 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:937 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:938 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:938 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:939 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:939 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:940 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:940 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:941 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:941 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:943 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:943 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:944 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:944 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:945 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:945 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:946 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:946 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:947 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:947 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:948 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:948 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:949 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:949 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:950 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:951 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:952 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:952 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:953 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:953 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:954 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:954 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:955 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:955 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:956 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:956 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:966 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:966 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:968 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:968 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:969 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:969 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:970 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:970 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:971 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:971 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:972 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:972 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:973 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:974 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:975 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:977 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:979 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:980 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:980 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:981 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:981 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:982 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:982 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:983 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:983 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:984 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:984 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:985 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:985 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:986 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:986 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:987 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:988 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:988 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:989 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:989 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:990 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:990 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:991 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:991 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:992 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:992 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:993 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:993 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:994 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:995 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:995 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:996 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:996 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:997 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:997 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:998 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:998 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:999 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:17:999 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:000 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:000 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:001 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:001 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:002 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:002 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:003 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:003 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:004 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:004 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:005 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:005 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:006 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:007 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:007 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:008 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:008 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:009 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:009 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:010 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:010 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:011 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:011 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:012 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:012 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:013 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:013 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:014 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:014 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:015 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:015 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:016 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:016 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:017 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:017 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:018 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:018 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:019 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:019 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:020 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:020 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:021 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:021 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:022 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:022 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:023 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:023 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:024 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:024 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:025 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:025 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:026 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:026 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:027 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:027 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:028 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:028 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:029 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:029 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:030 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:030 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:031 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:031 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:032 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:032 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:033 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:033 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:034 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:035 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:036 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:036 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:037 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:037 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:038 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:038 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:039 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:040 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:040 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:041 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:041 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:042 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:042 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:043 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:043 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:044 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:044 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:045 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:045 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:054 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:055 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:055 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:056 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:057 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:057 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:058 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:058 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:059 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:059 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:060 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:060 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:061 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:062 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:062 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:063 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:063 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:064 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:064 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:065 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:065 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:066 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:066 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:067 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:067 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:068 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:068 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:069 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:069 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:070 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:070 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:071 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:071 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:072 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:072 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:073 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:073 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:074 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:074 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:076 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:076 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:077 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:077 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:078 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:078 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:079 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:080 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:080 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:081 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:081 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:082 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:083 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:083 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:085 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:085 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:086 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:086 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:087 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:087 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:088 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:089 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:089 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:090 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:091 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:091 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:092 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:092 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:093 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:093 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:094 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:095 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:095 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:095 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:096 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:096 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:097 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:097 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:098 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:098 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:099 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:099 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:100 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:101 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:101 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:101 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:102 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:102 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:103 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:104 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:104 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:105 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:105 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:106 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:106 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:107 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:107 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:107 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:108 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:108 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:109 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:109 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:110 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:110 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:111 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:111 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:112 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:112 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:113 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:113 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:114 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:114 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:115 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:116 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:116 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:117 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:118 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:118 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:119 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:119 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:120 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:120 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:121 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:122 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:122 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:123 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:123 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:124 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:124 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:125 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:125 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:126 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:126 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:127 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:127 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:128 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:128 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:129 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:130 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:130 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:131 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:131 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:132 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:132 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:134 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:134 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:135 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:135 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:136 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:136 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:137 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:137 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:138 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:138 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:139 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:139 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:140 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:141 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:141 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:150 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:150 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:151 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:151 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:152 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:152 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:153 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:154 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:155 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:155 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:156 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:156 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:156 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:158 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:158 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:159 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:160 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:160 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:161 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:161 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:162 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:162 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:163 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:163 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:164 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:164 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:165 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:165 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:166 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:166 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:167 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:167 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:169 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:169 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:170 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:171 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:171 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:172 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:172 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:173 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:174 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:177 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:177 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:179 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:179 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:180 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:180 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:181 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:181 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:187 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:187 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:188 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:188 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:189 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:189 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:190 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:190 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:191 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:191 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:192 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:192 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:193 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:193 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:194 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:194 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:195 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:195 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:196 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:196 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:197 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:197 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:198 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:198 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:199 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:199 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:200 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:200 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:201 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:201 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:202 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:203 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:204 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:204 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:205 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:205 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:206 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:206 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:207 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:207 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:208 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:209 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:209 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:209 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:210 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:210 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:211 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:211 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:212 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:212 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:213 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:214 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:214 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:215 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:216 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:216 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:217 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:217 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:218 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:218 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:219 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:219 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:220 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:220 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:221 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:221 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:222 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:222 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:223 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:223 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:224 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:224 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:225 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:225 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:226 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:226 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:227 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:227 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:228 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:228 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:229 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:230 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:230 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:230 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:231 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:231 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:232 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:232 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:233 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:237 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:238 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:239 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:240 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:241 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:243 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:244 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:244 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:245 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:245 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:246 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:246 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:246 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:247 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:247 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:248 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:248 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:249 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:249 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:250 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:251 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:252 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:252 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:253 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:253 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:254 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:254 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:255 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:255 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:256 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:256 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:257 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:257 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:258 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:258 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:259 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:260 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:260 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:260 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:261 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:261 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:262 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:263 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:263 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:264 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:265 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:266 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:266 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:267 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:267 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:267 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:268 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:268 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:269 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:270 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:270 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:271 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:271 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:271 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:272 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:273 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:273 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:274 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:274 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:276 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:276 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:277 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:277 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:278 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:278 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:279 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:279 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:280 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:280 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:281 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:281 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:282 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:282 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:283 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:284 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:284 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:291 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:291 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:292 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:292 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:293 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:293 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:294 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:295 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:295 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:296 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:297 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:297 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:298 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:298 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:299 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:299 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:300 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:301 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:301 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:302 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:303 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:303 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:304 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:304 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:305 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:305 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:306 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:306 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:307 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:307 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:308 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:308 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:309 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:309 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:310 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:310 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:311 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:311 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:312 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:312 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:313 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:313 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:314 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:314 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:315 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:315 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:316 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:317 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:317 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:318 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:318 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:318 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:319 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:323 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:323 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:324 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:325 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:325 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:326 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:327 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:328 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:328 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:328 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:329 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:329 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:330 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:331 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:332 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:333 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:333 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:333 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:335 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:336 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:336 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:336 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:337 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:338 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:339 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:339 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:340 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:341 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:341 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:342 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:342 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:343 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:343 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:344 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:344 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:345 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:345 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:346 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:347 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:348 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:348 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:349 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:349 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:350 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:350 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:351 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:351 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:352 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:352 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:353 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:353 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:355 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:355 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:356 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:356 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:357 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:357 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:359 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:359 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:360 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:360 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:362 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:362 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:363 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:363 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:364 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:364 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:365 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:365 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:367 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:368 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:369 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:369 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:370 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:370 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:371 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:371 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:372 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:372 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:373 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:374 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:375 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:375 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:375 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:375 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:377 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:377 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:377 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:377 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:378 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:379 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:379 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:379 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:380 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:380 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:381 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:382 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:383 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:383 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:383 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:384 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:385 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:385 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:386 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:386 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:387 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:390 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:390 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:391 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:391 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:392 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:393 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:393 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:394 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:394 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:395 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:396 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:397 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:398 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:398 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:399 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:399 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:399 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:400 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:400 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:401 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:402 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:402 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:402 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:403 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:404 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:404 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:405 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:405 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:407 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:408 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:414 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:415 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:416 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:416 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:417 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:417 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:417 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:418 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:418 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:419 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:420 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:420 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:421 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:421 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:422 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:423 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:423 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:424 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:424 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:425 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:425 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:426 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:426 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:427 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:427 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:428 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:429 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:429 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:429 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:430 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:431 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:431 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:431 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:432 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:433 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:433 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:435 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:435 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:436 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:436 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:437 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:438 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:438 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:439 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:439 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:440 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:440 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:441 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:441 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:443 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:443 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:444 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:444 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:445 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:445 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:446 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:446 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:447 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:447 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:448 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:448 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:449 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:450 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:451 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:452 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:452 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:453 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:455 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:455 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:456 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:456 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:457 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:457 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:458 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:459 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:459 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:460 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:460 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:461 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:461 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:462 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:463 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:464 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:464 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:466 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:466 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:467 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:467 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:468 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:468 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:469 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:469 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:470 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:471 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:471 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:472 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:472 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:473 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:473 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:474 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:474 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:475 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:475 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:476 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:477 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:478 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:478 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:479 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:480 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:482 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:482 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:483 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:487 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:488 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:489 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:489 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:489 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:490 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:490 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:492 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:492 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:493 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:493 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:494 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:494 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:495 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:496 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:496 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:496 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:497 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:497 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:498 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:498 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:499 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:499 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:500 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:500 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:501 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:501 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:503 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:503 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:504 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:504 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:505 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:505 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:506 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:506 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:507 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:507 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:508 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:508 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:509 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:509 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:510 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:510 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:511 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:511 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:512 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:513 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:513 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:514 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:514 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:515 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:515 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:516 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:516 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:517 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:517 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:518 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:519 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:519 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:519 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:520 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:521 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:522 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:523 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:525 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:525 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:526 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:526 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:530 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:531 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:531 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:532 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:532 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:533 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:533 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:534 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:534 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:535 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:535 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:536 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:536 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:537 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:537 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:539 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:539 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:540 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:540 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:541 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:541 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:542 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:542 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:543 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:544 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:544 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:545 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:546 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:546 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:547 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:548 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:548 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:549 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:549 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:549 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:550 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:550 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:550 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:552 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:552 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:553 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:553 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:554 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:554 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:555 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:555 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:556 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:556 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:557 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:557 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:558 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:558 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:559 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:559 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:560 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:561 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:561 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:562 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:562 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:563 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:563 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:564 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:564 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:565 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:566 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:566 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:567 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:567 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:568 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:568 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:569 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:569 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:570 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:570 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:571 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:572 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:572 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:573 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:573 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:574 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:574 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:578 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:578 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:580 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:580 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:580 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:581 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:581 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:581 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:582 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:582 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:584 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:585 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:585 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:586 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:586 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:587 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:587 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:588 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:588 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:589 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:589 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:590 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:591 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:591 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:592 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:592 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:593 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:593 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:594 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:594 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:595 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:595 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:596 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:596 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:597 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:597 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:598 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:598 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:599 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:599 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:600 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:600 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:601 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:601 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:602 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:602 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:603 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:603 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:604 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:604 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:605 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:605 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:606 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:606 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:607 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:607 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:607 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:608 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:608 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:609 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:609 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:613 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:614 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:615 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:615 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:617 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:617 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:619 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:619 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:622 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:622 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:624 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:624 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:625 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:625 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:626 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:626 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:628 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:628 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:629 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:629 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:630 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:630 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:631 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:631 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:632 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:633 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:634 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:634 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:635 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:635 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:636 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:636 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:637 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:637 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:640 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:640 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:641 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:641 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:654 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:654 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:660 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:660 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:665 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:665 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:666 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:667 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:667 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:668 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:668 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:669 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:669 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:670 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:670 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:671 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:671 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:673 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:673 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:674 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:674 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:675 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:675 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:676 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:677 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:678 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:678 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:679 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:679 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:680 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:685 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:686 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:686 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:688 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:688 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:689 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:689 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:689 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:690 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:690 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:691 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:691 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:693 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:693 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:694 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:694 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:697 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:697 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:698 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:698 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:699 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:699 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:700 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:700 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:701 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:701 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:703 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:703 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:704 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:704 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:705 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:705 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:706 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:706 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:708 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:708 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:709 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:709 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:711 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:711 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:712 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:713 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:713 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:713 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:715 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:715 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:716 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:716 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:717 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:717 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:718 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:718 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:719 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:720 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:721 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:721 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:722 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:722 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:723 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:723 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:724 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:724 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:725 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:725 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:726 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:726 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:727 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:727 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:728 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:728 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:729 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:729 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:730 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:730 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:731 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:731 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:734 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:734 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:736 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:736 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:739 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:739 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:741 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:741 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:742 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:742 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:743 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:743 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:744 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:744 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:747 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:747 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:749 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:749 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:750 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:750 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:751 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:751 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:753 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:753 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:754 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:754 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:755 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:756 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:756 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:758 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:758 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:760 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:761 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:762 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:762 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:763 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:763 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:763 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:764 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:765 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:765 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:766 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:766 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:767 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:767 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:768 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:768 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:768 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:768 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:769 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:770 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:771 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:771 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:773 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:773 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:774 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:774 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:775 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:775 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:776 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:776 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:777 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:777 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:778 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:778 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:780 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:780 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:780 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:781 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:781 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:781 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:782 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:782 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:783 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:783 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:784 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:784 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:785 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:785 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:786 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:786 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:787 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:787 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:788 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:788 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:789 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:789 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:791 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:791 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:792 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:793 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:794 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:794 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:795 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:794 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:796 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:797 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:797 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:798 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:798 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:801 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:801 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:802 DEBUG 2395 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLL Assurance Intent
  2026-05-23 02:25:18:804 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:805 DEBUG 2395 --- [           main] i.c.CLLAssuranceIntentManagementFunction[82] : cllAssurance Intent CREATE begin time:2026-05-23T02:25:18.805010569
  2026-05-23 02:25:18:805 DEBUG 2395 --- [           main] i.c.CLLAssuranceIntentManagementFunction[83] : main
  2026-05-23 02:25:18:806 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:806 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:807 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:807 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:808 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:808 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:809 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:809 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:812 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:813 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-05-23 02:25:18:814 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-05-23 02:25:18:814 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: f090d291c32a4eeba4795f797066b896(String), CREATE(String)
  2026-05-23 02:25:18:815 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:815 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:816 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-05-23 02:25:18:817 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 1: None Intent Event Record been got. Will try again.
  2026-05-23 02:25:18:818 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:818 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:818 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==>  Preparing: insert into Intent(intent_id, intent_name,intent_generateType) values(?, ?,?)
  2026-05-23 02:25:18:819 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:819 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:820 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:820 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:820 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==> Parameters: f090d291c32a4eeba4795f797066b896(String), CLL Assurance Intent(String), SYSTEMGENARATE(String)
  2026-05-23 02:25:18:821 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:821 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:821 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : <==    Updates: 1
  2026-05-23 02:25:18:822 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:822 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:823 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:823 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:823 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:823 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: bd95aeddfebd462eab12f829798b5fac(String)
  2026-05-23 02:25:18:825 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:825 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:826 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:826 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:826 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-05-23 02:25:18:826  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is bd95aeddfebd462eab12f829798b5fac
  2026-05-23 02:25:18:827 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:827 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:827 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:18:828 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:828 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:828 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: bd95aeddfebd462eab12f829798b5fac(String)
  2026-05-23 02:25:18:829 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:829 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:830 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:830 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:831 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:18:831 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:831 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:833 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:833 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:834 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:834 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:835 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-05-23 02:25:18:835 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:835 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:836 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: bd95aeddfebd462eab12f829798b5fac(String), cll-7000000048988020(String)
  2026-05-23 02:25:18:836 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:836 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:837 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:837 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:838 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-05-23 02:25:18:838 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:838 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:840 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-05-23 02:25:18:840 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), bd95aeddfebd462eab12f829798b5fac(String)
  2026-05-23 02:25:18:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:840 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:841 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:18:841 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:841 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:843 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:843 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:846 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: bd95aeddfebd462eab12f829798b5fac(String)
  2026-05-23 02:25:18:846 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:846 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:847 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:18:848  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-05-23 02:25:18:848 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:849 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:851 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:18:851 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:851 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:853 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:853 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:855 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:858 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 044b9ea6d394442583328b62a1d689b1(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), true(String), f9d2f1d81ad546ca81b17858ea0c6dbf(String)
  2026-05-23 02:25:18:858 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:858 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:859 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:18:859  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:18:864 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-05-23 02:25:18:864 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: f9d2f1d81ad546ca81b17858ea0c6dbf(String), bandwidthAssurance(String), bd95aeddfebd462eab12f829798b5fac(String)
  2026-05-23 02:25:18:864 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-05-23 02:25:18:864  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-05-23 02:25:18:865 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:865 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 721a76a8a66649fca88e8fed8b97e206(String)
  2026-05-23 02:25:18:865 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-05-23 02:25:18:865  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is 721a76a8a66649fca88e8fed8b97e206
  2026-05-23 02:25:18:865 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:18:865 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 721a76a8a66649fca88e8fed8b97e206(String)
  2026-05-23 02:25:18:866 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-05-23 02:25:18:866 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-05-23 02:25:18:866 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: 721a76a8a66649fca88e8fed8b97e206(String), cll-7000000048988020(String)
  2026-05-23 02:25:18:866 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-05-23 02:25:18:867 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-05-23 02:25:18:867 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), 721a76a8a66649fca88e8fed8b97e206(String)
  2026-05-23 02:25:18:867 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-05-23 02:25:18:867 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:868 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:868 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 721a76a8a66649fca88e8fed8b97e206(String)
  2026-05-23 02:25:18:868 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:870 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:870 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:18:871 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:871 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:872 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:872 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:873 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:873 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:874  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-05-23 02:25:18:875 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:875 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:877 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:18:877 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:877 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:878 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: a22c137e41944d8c80a915a28137acde(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), 10(String), 7daa83dfb7144dd8b35339b2157596fd(String)
  2026-05-23 02:25:18:879 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:879 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:879 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:18:880  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:18:880 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:880 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:880 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-05-23 02:25:18:882 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:882 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:882 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 7daa83dfb7144dd8b35339b2157596fd(String), bandwidthAssurance(String), 721a76a8a66649fca88e8fed8b97e206(String)
  2026-05-23 02:25:18:882 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-05-23 02:25:18:883  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-05-23 02:25:18:884 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:884 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:886 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:886 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : ==>  Preparing: insert into expectation(expectation_id, expectation_name, expectation_type, intent_id) values (?, ?, ?, ?) , (?, ?, ?, ?)
  2026-05-23 02:25:18:887 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:887 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : ==> Parameters: bd95aeddfebd462eab12f829798b5fac(String), CLL Assurance Expectation(String), ASSURANCE(String), f090d291c32a4eeba4795f797066b896(String), 721a76a8a66649fca88e8fed8b97e206(String), CLL Report Expectation(String), REPORT(String), f090d291c32a4eeba4795f797066b896(String)
  2026-05-23 02:25:18:887 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:888 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:888 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:888 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : <==    Updates: 2
  2026-05-23 02:25:18:889  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ExpectationServiceImpl   [82] : Successfully created expectation list to database.
  2026-05-23 02:25:18:889 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:889 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:891 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:891 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:18:891 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:891 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: f799a39f3ea743ca944e80bdaf0f47c7(String), owner class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.CLLBusinessIntentManagementFunction(String), 19410c34e43a4304b0b78219ea3785d9(String)
  2026-05-23 02:25:18:892 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:892 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:892 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:18:893  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:18:893 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:18:894 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 212deda8e6ae434abcd11b274f8374bc(String), handler class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.CLLAssuranceIntentManagementFunction(String), ac692d3b579545c0a35e421dfefa8e14(String)
  2026-05-23 02:25:18:894 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:18:894  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:18:894 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-05-23 02:25:18:894 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 0c651a7f0d7640b784c5af968ed131e2(String), CLLBusiness intentid(String), EQUALTO(String), 3f6cfed616da4803bde93d655e13dc0c(String), 463e2e88af894036ae2a3b9907404136(String)
  2026-05-23 02:25:18:895 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-05-23 02:25:18:895  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-05-23 02:25:18:895 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : ==>  Preparing: insert into context(context_id, context_name, parent_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-05-23 02:25:18:895 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : ==> Parameters: 19410c34e43a4304b0b78219ea3785d9(String), owner info(String), f090d291c32a4eeba4795f797066b896(String), ac692d3b579545c0a35e421dfefa8e14(String), handler info(String), f090d291c32a4eeba4795f797066b896(String), 463e2e88af894036ae2a3b9907404136(String), parentIntent info(String), f090d291c32a4eeba4795f797066b896(String)
  2026-05-23 02:25:18:896 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : <==    Updates: 3
  2026-05-23 02:25:18:896  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [63] : Successfully created context list to database.
  2026-05-23 02:25:18:896 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : ==>  Preparing: insert into intent_instance(intent_instance_id,intent_id) values (?,?);
  2026-05-23 02:25:18:896 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : ==> Parameters: d2603dcfa495496da850084579058fb5(String), f090d291c32a4eeba4795f797066b896(String)
  2026-05-23 02:25:18:897 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : <==    Updates: 1
  2026-05-23 02:25:18:897  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.IntentServiceImpl  [89] : Successfully created intent to database.
  2026-05-23 02:25:18:898 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==>  Preparing: select intent_id intentId, intent_name intentName, intent_generateType intentGenerateType from intent where intent_name like ?
  2026-05-23 02:25:18:898 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:899 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==> Parameters: CLL Delivery Intent(String)
  2026-05-23 02:25:18:898 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:900 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:900 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:900 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : <==      Total: 1
  2026-05-23 02:25:18:901 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:901 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : ==>  Preparing: select expectation_id expectationId, expectation_name expectationName, expectation_type expectationType from expectation where intent_id = ?
  2026-05-23 02:25:18:901 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:901 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:18:902 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:902 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : <==      Total: 2
  2026-05-23 02:25:18:902 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:903 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:903 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:903 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:903 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:904 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:18:904 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:904 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:905 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:905 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:905 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:906 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:18:906 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:907 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:907 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:907 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96(String)
  2026-05-23 02:25:18:908 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:908 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:908  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:18:908 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:908  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 3d30c3b0-3fba-4c7c-b871-5a65fc4d1c96
  2026-05-23 02:25:18:908 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:18:909 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:909 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:909 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:910 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 1
  2026-05-23 02:25:18:910 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:910 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:910 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-05-23 02:25:18:910 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:911 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:911 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:912 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 3
  2026-05-23 02:25:18:912 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:912 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:912 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:913 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:18:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:913 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:914 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:914 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:914 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:915 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:915 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:18:916 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:916 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:916 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:916  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 17843ea6d35941da838c8a75046aae87
  2026-05-23 02:25:18:916 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:916 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:917 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:917 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 17843ea6d35941da838c8a75046aae87(String)
  2026-05-23 02:25:18:917 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:918 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:918 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:918  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 17843ea6d35941da838c8a75046aae87
  2026-05-23 02:25:18:918 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:919 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:918 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:919 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:18:920 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:920 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:920 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:920 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:921 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:920 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:921 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:18:921 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:922  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 49c7a54cf35f4d0ca6f985a8342db102
  2026-05-23 02:25:18:922 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:922 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:922 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:923 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:923 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:923 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 49c7a54cf35f4d0ca6f985a8342db102(String)
  2026-05-23 02:25:18:924 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:924 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:924 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:925  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 49c7a54cf35f4d0ca6f985a8342db102
  2026-05-23 02:25:18:925 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:925 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:925 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:925 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:18:926 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:926 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:927 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:927 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:927 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:928 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:928 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:929 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:929 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:929 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:930 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:930 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:929 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:18:931 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:931 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:931 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:932 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:931  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = babcd2dd57984209b9f082864202c20b
  2026-05-23 02:25:18:932 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:933 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:933 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:933 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:934 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: babcd2dd57984209b9f082864202c20b(String)
  2026-05-23 02:25:18:934 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:934 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:935 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:935 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:935 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:936  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = babcd2dd57984209b9f082864202c20b
  2026-05-23 02:25:18:936 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:936 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:937 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:936 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:937 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:937 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:938 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:938 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:939 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:939 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:938 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:939  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = fbcd0f83e17e479a84b2cc5e33aca9d6
  2026-05-23 02:25:18:939 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:940 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:940 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:940 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:940 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:941 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: fbcd0f83e17e479a84b2cc5e33aca9d6(String)
  2026-05-23 02:25:18:941 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:941 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:942 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:942 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:943 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 1
  2026-05-23 02:25:18:943 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:943 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:944 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:944 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:944 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:954 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:955 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-05-23 02:25:18:955 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-05-23 02:25:18:955 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:955 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-05-23 02:25:18:955 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:956 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8(String)
  2026-05-23 02:25:18:956 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:956  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:18:956  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 73cfe4e3-266c-4de6-8d08-9f1d1346c4b8
  2026-05-23 02:25:18:956 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-05-23 02:25:18:956 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:957 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 1
  2026-05-23 02:25:18:957 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-05-23 02:25:18:957 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:957 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 1
  2026-05-23 02:25:18:958 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:958 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 77075f6e27a54c2b8a32ce50a7e49e06(String)
  2026-05-23 02:25:18:958 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:958 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:959 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 77075f6e27a54c2b8a32ce50a7e49e06(String)
  2026-05-23 02:25:18:959 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:959  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 77075f6e27a54c2b8a32ce50a7e49e06
  2026-05-23 02:25:18:959 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:959 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 77075f6e27a54c2b8a32ce50a7e49e06(String)
  2026-05-23 02:25:18:959 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:960  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 77075f6e27a54c2b8a32ce50a7e49e06
  2026-05-23 02:25:18:960 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:960 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:960 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-05-23 02:25:18:960  INFO 2395 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = d2dc5881123d4db7b0d90d478da184d5
  2026-05-23 02:25:18:960 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:961 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: d2dc5881123d4db7b0d90d478da184d5(String)
  2026-05-23 02:25:18:961 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:961  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = d2dc5881123d4db7b0d90d478da184d5
  2026-05-23 02:25:18:961 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-05-23 02:25:18:961 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:18:962 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 3
  2026-05-23 02:25:18:962 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:962 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 1406998e7cfb4ea6ba28b824ff6f1860(String)
  2026-05-23 02:25:18:963 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:963 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:963 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: aaa52e74c2c94bf49fba1ba49975e9c5(String)
  2026-05-23 02:25:18:963 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:964 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-05-23 02:25:18:964 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 5e9590e3a5fb4dcc8a8bba0ef23847d2(String)
  2026-05-23 02:25:18:964 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-05-23 02:25:18:964 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-05-23 02:25:18:965 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 641c3b33c8d74393b5184a647b525ffd(String)
  2026-05-23 02:25:18:965 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-05-23 02:25:18:965  INFO 2395 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 641c3b33c8d74393b5184a647b525ffd
  2026-05-23 02:25:18:966  INFO 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [113] : Start to update the intent configuration policy, cllId: cll-7000000048988020, originalBW： 1000, closedLooopStatus：true
  2026-05-23 02:25:18:967 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:967 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:968 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:968 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:970 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:970 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:971 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:971 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:971 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:973 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:973 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:974 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:974 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:975 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:975 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:976 ERROR 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [223] : Exception in undeploy and remove policy
  java.net.UnknownHostException: msb-iag.onap
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49)
  	at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164)
  	at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129)
  	at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71)
  	at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:205)
  	at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
  	at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
  	at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
  	at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
  	at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
  	at retrofit2.OkHttpCall.execute(OkHttpCall.java:188)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.undeployAndRemovePolicyIfExist(PolicyServiceImpl.java:204)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.updateIntentConfigPolicy(PolicyServiceImpl.java:117)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.lambda$directOperation$0(CLLAssuranceActuationModule.java:55)
  	at java.base/java.util.Collections$SingletonList.forEach(Collections.java:4966)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.directOperation(CLLAssuranceActuationModule.java:51)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.fulfillIntent(CLLAssuranceActuationModule.java:66)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:18:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:976  WARN 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [121] : Undeploy and remove the intent configuration policy failed.
  2026-05-23 02:25:18:977  INFO 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [144] : Create policy type, request body: {
    "tosca_definitions_version": "tosca_simple_yaml_1_1_0",
    "policy_types": {
      "onap.policies.monitoring.docker.slicems.app": {
        "version": "1.0.0",
        "description": "son handler policy type",
        "derived_from": "onap.policies.Monitoring:1.0.0",
  	    "description": "Runtime Configuration of Slice MS",
        "properties": {
          "cllId": {
            "type": "string",
            "required": true,
            "description": "cll id"
          },
  		 "closedLoopStatus": {
            "type": "string",
            "required": true,
            "description": "whether provide closed loop assurance for one cll"
          },
          "originalBw": {
            "type": "string",
            "required": true,
            "description": "original bw of one cll"
          }
        }
      }
    }
  }
  2026-05-23 02:25:18:977 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:977 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:978 ERROR 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [188] : Exception in create and deploy intent config policy.
  java.net.UnknownHostException: msb-iag.onap
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49)
  	at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164)
  	at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129)
  	at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71)
  	at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:205)
  	at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
  	at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
  	at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
  	at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
  	at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
  	at retrofit2.OkHttpCall.execute(OkHttpCall.java:188)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.createAndDeployIntentConfigPolicy(PolicyServiceImpl.java:147)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.updateIntentConfigPolicy(PolicyServiceImpl.java:123)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.lambda$directOperation$0(CLLAssuranceActuationModule.java:55)
  	at java.base/java.util.Collections$SingletonList.forEach(Collections.java:4966)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.directOperation(CLLAssuranceActuationModule.java:51)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.fulfillIntent(CLLAssuranceActuationModule.java:66)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:18:979 ERROR 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [125] : Create and deploy the intent configuration policy failed.
  2026-05-23 02:25:18:979  INFO 2395 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [127] : update intent configuration finished, result: false
  2026-05-23 02:25:18:979 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:979 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:980 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : ==>  Preparing: insert into intent_event_record(intent_id, intent_name, intent_status, operate_type, parent_id) values(?, ?, ?, ?, ?)
  2026-05-23 02:25:18:980 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:980 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:981 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : ==> Parameters: f090d291c32a4eeba4795f797066b896(String), CLL Assurance Intent(String), success(String), CREATE(String), 3f6cfed616da4803bde93d655e13dc0c(String)
  2026-05-23 02:25:18:981 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:981 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:982 DEBUG 2395 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : <==    Updates: 1
  2026-05-23 02:25:18:982  INFO 2395 --- [hread_Excutor-2] o.o.u.i.Thread.CreateCallable           [63] : CLL Assurance Intent Intent operate finished
  2026-05-23 02:25:18:982 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:982 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:983 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:983 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:984 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:985 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:986 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:986 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:986 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:986 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:987 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:988 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:988 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:990 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:990 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:990 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:991 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:991 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:991 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:992 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:992 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:993 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:994 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:995 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:995 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:996 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:996 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:997 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:997 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:998 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:18:998 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:000 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:000 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:001 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:001 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:002 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:002 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:004 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:004 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:005 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:005 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:006 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:007 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:007 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:008 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:008 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:009 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:009 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:010 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:010 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:011 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:011 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:012 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:012 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:013 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:013 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:014 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:014 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:015 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:015 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:016 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:016 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:017 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:017 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:018 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:018 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:019 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:019 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:020 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:020 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:021 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:021 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:022 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:022 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:023 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:023 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:024 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:024 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:025 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:025 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:026 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:026 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:027 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:028 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:028 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:029 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:029 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:037 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:039 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:040 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:041 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:043 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:047 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:049 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:050 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:050 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:051 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:053 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:053 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:055 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:056 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:057 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:058 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:059 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:060 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:062 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:063 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:063 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:064 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:064 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:065 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:066 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:066 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:067 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:067 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:068 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:075 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:077 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:077 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:078 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:078 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:080 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:083 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:083 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:083 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:085 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:086 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:086 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:087 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:088 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:089 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:091 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:092 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:093 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:094 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:095 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:096 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:096 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:097 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:098 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:098 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:099 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:099 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:100 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:100 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:101 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:102 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:102 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:103 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:104 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:104 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:105 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:106 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:108 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:107 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:109 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:109 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:110 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:110 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:111 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:112 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:112 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:113 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:113 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:114 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:115 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:115 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:116 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:116 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:117 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:117 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:118 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:118 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:119 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:120 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:120 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:121 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:122 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:123 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:123 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:124 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:125 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:125 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:126 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:126 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:128 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:128 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:130 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:130 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:132 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:132 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:135 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:135 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:136 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:137 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:138 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:138 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:139 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:141 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:141 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:143 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:143 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:144 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:144 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:146 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:145 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:147 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:147 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:148 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:149 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:150 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:151 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:152 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:152 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:154 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:155 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:156 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:156 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:158 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:159 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:159 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:166 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:166 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:168 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:168 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:169 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:171 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:171 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:183 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:184 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:185 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:185 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:186 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:187 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:188 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:189 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:190 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:191 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:192 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:193 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:194 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:195 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:196 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:196 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:198 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:198 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:199 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:199 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:201 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:200 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:202 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:202 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:203 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:204 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:205 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:205 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:206 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:206 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:208 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:209 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:209 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:210 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:210 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:211 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:212 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:213 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:214 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:214 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:215 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:216 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:216 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:217 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:217 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:218 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:219 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:220 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:226 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:228 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:229 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:229 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:230 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:231 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:234 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:235 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:236 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:236 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:237 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:238 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:238 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:238 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:239 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:240 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:240 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:241 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:242 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:243 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:243 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:245 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:245 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:247 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:247 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:249 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:249 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:250 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:252 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:251 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:253 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:253 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:254 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:255 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:255 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:255 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:256 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:257 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:257 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:258 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:260 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:260 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:261 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:261 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:262 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:262 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:263 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:264 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:265 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:266 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:267 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:267 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:268 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:269 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:269 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:270 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:270 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:271 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:273 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:273 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:274 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:274 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:276 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:276 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:277 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:278 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:279 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:279 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:279 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:280 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:281 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:282 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:283 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:284 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:285 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:285 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:286 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:287 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:288 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:288 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:289 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:289 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:290 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:291 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:291 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:292 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:293 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:293 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:295 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:295 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:296 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:297 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:298 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:300 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:300 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:301 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:303 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:305 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:306 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:307 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:308 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:309 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:309 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:310 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:312 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:313 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:314 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:315 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:316 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:316 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:317 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:318 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:319 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:319 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:320 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:321 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:322 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:322 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:323 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:323 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:325 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:327 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:327 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:328 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:330 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:330 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:331 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:333 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:333 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:336 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:338 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:338 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:339 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:340 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:342 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:342 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:343 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:344 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:345 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:346 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:346 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:347 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:348 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:349 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:349 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:350 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:351 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:352 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:352 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:352 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:353 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:354 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:356 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:356 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:357 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:357 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:359 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:359 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:360 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:360 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:362 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:362 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:363 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:363 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:365 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:365 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:366 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:371 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:372 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:372 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:373 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:373 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:374 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:374 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:375 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:375 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:376 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:376 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:376 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:377 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:378 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:378 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:379 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:380 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:380 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:380 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:380 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:381 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:381 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:382 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:382 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:383 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:384 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:384 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:385 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:385 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:385 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:386 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:386 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:387 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:388 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:388 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:388 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:389 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:390 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:390 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:390 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:391 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:391 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:392 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:393 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:392 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:394 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:394 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:395 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:395 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:396 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:396 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:397 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:397 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:398 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:398 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:399 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:400 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:399 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:401 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:401 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:402 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:402 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:403 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:404 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:404 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:405 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:405 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:407 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:408 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:408 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:409 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:410 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:411 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:411 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:412 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:412 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:413 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:414 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:419 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:419 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:420 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:421 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:421 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:422 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:423 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:423 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:424 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:425 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:425 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:426 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:427 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:427 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:428 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:428 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:429 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:429 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:430 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:430 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:432 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:434 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:435 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:435 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:436 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:437 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:438 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:438 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:438 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:444 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:444 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:445 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:445 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:446 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:447 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:447 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:448 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:450 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:451 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:452 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:453 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:454 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:455 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:455 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:456 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:457 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:457 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:458 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:460 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:460 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:461 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:462 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:463 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:464 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:466 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:467 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:467 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:468 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:468 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:468 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:469 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:469 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:470 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:471 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:471 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:472 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:473 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:473 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:474 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:475 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:475 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:478 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:479 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:478 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:480 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:480 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:481 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:482 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:482 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:483 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:484 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:484 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:486 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:486 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:487 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:487 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:488 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:488 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:490 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:490 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:490 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:495 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:495 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:496 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:496 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:497 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:497 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:498 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:499 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:499 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:500 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:500 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:501 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:502 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:502 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:502 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:502 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:503 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:504 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:504 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:505 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:505 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:506 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:506 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:507 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:507 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:508 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:508 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:509 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:509 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:510 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:511 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:511 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:512 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:513 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:513 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:514 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:515 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:515 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:516 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:517 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:518 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:519 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:522 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:522 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:523 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:524 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:525 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:525 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:526 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:526 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:527 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:528 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:528 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:529 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:529 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:530 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:531 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:531 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:539 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:540 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:540 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:541 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:541 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:541 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:543 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:543 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:543 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:544 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:544 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:545 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:546 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:546 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:547 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:549 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:549 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:549 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:550 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:550 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:551 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:552 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:553 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:553 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:555 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:556 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:556 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:556 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:557 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:557 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:559 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:559 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:561 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:561 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:561 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:563 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:564 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:564 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:565 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:565 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:566 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:566 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:567 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:567 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:568 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:569 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:569 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:570 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:571 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:571 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:572 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:572 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:572 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:573 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:574 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:574 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:575 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:576 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:576 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:577 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:577 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:577 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:578 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:578 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:579 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:580 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:580 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:581 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:582 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:582 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:583 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:583 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:584 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:585 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:586 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:586 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:587 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:587 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:588 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:588 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:589 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:590 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:593 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:593 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:594 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:594 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:595 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:595 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:596 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:596 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:597 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:597 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:598 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:598 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:599 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:599 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:600 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:600 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:601 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:601 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:602 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:602 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:603 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:603 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:604 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:604 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:605 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:605 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:606 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:606 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:607 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:607 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:607 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:622 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:622 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:634 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:634 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:635 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:635 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:635 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:636 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:636 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:637 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:637 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:637 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:638 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:638 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:639 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:639 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:640 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:640 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:641 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:641 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:642 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:642 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:643 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:643 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:644 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:644 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:645 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:645 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:646 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:646 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:647 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:647 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:648 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:648 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:649 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:649 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:650 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:650 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:651 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:651 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:652 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:652 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:653 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:653 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:654 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:654 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:655 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:655 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:656 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:656 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:656 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:657 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:657 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:658 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:658 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:659 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:659 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:659 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:660 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:660 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:661 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:661 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:662 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:662 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:663 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:663 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:664 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:664 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:665 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:665 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:666 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:666 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:667 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:667 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:668 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:668 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:668 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:669 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:669 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:670 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:671 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:671 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:672 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:672 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:672 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:672 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:673 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:673 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:674 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:674 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:676 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:676 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:677 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:677 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:678 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:678 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:679 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:679 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:680 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:680 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:681 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:681 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:682 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:682 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:683 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:683 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:684 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:685 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:685 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:686 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:686 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:687 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:688 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:688 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:689 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:689 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:690 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:691 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:691 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:692 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:692 ERROR 2395 --- [or-http-epoll-5] reactor.core.publisher.Operators        [324] : Operator called default onErrorDropped
  java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-05-23 02:25:19:693 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:693 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:694 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:694 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:695 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:696 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:696 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:697 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:697 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:698 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:698 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:699 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:700 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:700 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:702 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:702 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:702 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:702 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:703 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:704 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:704 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:705 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:705 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:705 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:706 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:707 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:707 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:708 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:709 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:709 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:710 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:710 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:710 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:711 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:712 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:712 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:713 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:714 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:714 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:715 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:715 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:715 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:716 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:717 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:717 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:718 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:718 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:718 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:719 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:720 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:720 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:721 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:722 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:722 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:723 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:723 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:724 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:724 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:725 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:725 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:726 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:727 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:727 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:728 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:728 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:728 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:729 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:730 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:730 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:731 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:731 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:731 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:732 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:733 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:733 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:734 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:735 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:735 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:736 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:736 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:736 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:737 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:738 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:738 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:739 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:740 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:740 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:740 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:741 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:741 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:742 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:743 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:743 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:744 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:744 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:744 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:745 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:746 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:746 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:747 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:747 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:747 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:748 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:749 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:749 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:750 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:751 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:751 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:751 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:752 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:752 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:753 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:754 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:754 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:755 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:755 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:756 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:757 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:757 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:758 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:759 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:759 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:760 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:760 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:761 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:762 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:762 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:763 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:763 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:763 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:764 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:765 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:765 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:766 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:767 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:767 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:768 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:769 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:769 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:770 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:770 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:770 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:771 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:772 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:772 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:773 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:774 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:774 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:775 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:775 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:775 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:776 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:777 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:777 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:778 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:779 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:779 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:779 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:780 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:780 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:781 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:782 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:782 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:782 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:783 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:783 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:784 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:785 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:785 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:786 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:787 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:787 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:788 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:788 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:788 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:789 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:790 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:790 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:791 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:792 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:792 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:793 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:794 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:794 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:795 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:796 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:796 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:797 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:797 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:797 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:798 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:799 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:799 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:800 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:801 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:801 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:802 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:802 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:802 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:803 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:804 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:804 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:805 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:806 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:806 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:806 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:808 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:808 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:809 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:809 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:810 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:810 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:811 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:811 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:812 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:812 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:814 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:814 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:815 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:815 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:815 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:817 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:817 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:817 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-05-23 02:25:19:818 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-05-23 02:25:19:818 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: f090d291c32a4eeba4795f797066b896(String), CREATE(String)
  2026-05-23 02:25:19:819 DEBUG 2395 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 1
  2026-05-23 02:25:19:819 DEBUG 2395 --- [           main] .i.c.CLLBusinessIntentManagementFunction[189] : Successfully got Intent Event Record from DB.
  2026-05-23 02:25:19:821 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:821 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:822 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:822 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:823 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:823 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:824 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:824 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:825 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:825 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:826 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:826 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:827 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:827 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:828 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:828 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:829 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:829 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:830 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:830 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:831 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:831 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:832 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:832 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:832 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:834 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:834 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:834 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:835 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:835 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:836 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:836 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:837 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:837 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:838 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:838 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:839 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:839 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:840 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:840 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:841 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:842 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:842 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:843 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:843 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:844 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:845 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:845 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:846 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:847 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:847 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:848 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:848 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:848 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:849 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:850 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:850 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:851 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:851 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:851 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:852 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:853 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:853 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:854 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:855 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:855 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:856 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:856 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:856 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:857 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:858 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:858 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:859 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:859 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:859 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:862 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:862 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:863 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:863 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:863 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:864 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:865 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:865 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:866 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:866 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:867 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:867 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:867 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:868 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:869 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:869 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:870 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:870 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:871 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:872 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:872 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:873 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:873 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:874 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:874 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:876 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:876 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:877 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:877 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:878 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:879 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:879 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:879 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:880 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:880 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:881 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:882 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:882 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:882 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:883 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:883 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:884 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:885 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:885 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:886 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:886 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:887 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:888 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:888 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:889 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:889 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:890 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:890 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:896 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:896 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:900 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:900 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:900 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:901 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:901 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:902 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:902 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:903 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:903 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:903 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:904 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:904 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:905 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:905 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:906 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:906 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:907 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:908 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:908 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:908 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:909 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:909 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:910 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:910 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:911 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:912 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:912 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:913 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:913 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:914 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:914 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:915 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:916 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:916 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:917 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:917 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:917 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:918 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:918 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:919 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:920 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:920 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:921 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:921 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:922 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:922 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:923 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:923 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:924 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:925 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:925 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:926 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:927 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:927 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:928 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:928 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:928 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:929 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:930 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:930 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:933 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:933 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:934 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:935 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:935 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:936 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:936 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:937 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:937 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:938 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:938 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:938 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:939 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:939 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:940 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:941 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:941 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:942 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:942 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:942 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:943 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:944 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:944 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:945 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:945 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:945 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:949 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:949 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:950 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:950 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:951 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:951 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:952 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:952 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:953 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:953 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:954 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:954 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:955 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:955 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:955 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:956 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:956 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:957 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:957 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:957 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:958 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:958 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:959 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:960 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:960 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:961 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:961 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:961 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:962 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:963 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:963 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:964 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:965 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:965 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:965 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:966 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:966 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:967 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:968 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:968 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:969 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:969 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:969 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:970 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:971 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:971 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:972 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:972 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:973 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:973 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:974 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:974 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:975 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:975 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:976 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:976 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:977 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:977 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:978 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:978 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:979 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:979 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:979 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:980 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:980 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:981 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:981 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:982 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:982 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:983 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:983 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:983 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:984 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:984 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:985 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:985 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:986 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:986 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:987 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:987 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:987 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:988 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:988 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:989 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:989 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:990 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:990 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:991 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:992 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:992 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:993 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:994 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:994 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:995 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:995 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:996 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:997 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:997 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:998 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:998 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:999 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:999 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:19:999 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:000 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:001 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:001 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:002 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:003 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:003 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:004 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:005 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:005 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:005 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:006 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:006 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:007 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:008 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:008 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:009 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:009 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:009 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:010 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:011 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:011 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:012 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:013 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:013 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:014 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:014 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:014 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:015 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:016 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:016 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:017 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:018 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:018 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:019 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:019 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:019 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:020 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:021 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:021 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:022 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:022 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:022 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:023 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:024 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:024 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:025 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:025 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:026 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:027 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:027 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:027 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:028 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:028 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:029 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:030 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:029 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:031 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:032 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:032 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:033 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:034 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:034 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:034 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:035 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:035 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:036 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:037 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:037 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:038 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:038 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:038 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:040 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:040 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:041 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:041 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:042 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:042 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:042 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:043 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:044 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:044 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:045 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:046 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:046 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:047 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:047 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:047 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:048 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:049 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:049 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:050 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:050 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:050 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:051 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:051 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:051 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:052 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:053 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:053 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:054 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:054 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:055 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:055 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:056 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:056 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:057 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:058 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:058 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:059 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:059 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:059 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:060 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:060 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:061 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:062 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:062 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:063 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:063 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:063 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:063 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:064 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:064 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:065 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:065 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:066 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:066 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:067 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:067 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:068 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:068 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:069 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:069 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:070 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:070 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:071 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:071 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:072 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:072 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:073 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:073 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:074 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:074 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:074 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:074 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:076 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:076 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:077 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:077 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:078 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:078 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:079 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:079 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:080 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:080 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:081 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:081 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:082 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:083 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:083 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:084 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:084 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:085 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:085 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:086 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:086 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:087 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:087 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:088 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:088 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:089 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:089 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:090 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:090 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:091 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:091 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:092 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:092 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:092 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:092 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:093 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:094 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:094 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:095 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:095 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:095 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:096 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:096 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:097 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:097 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:098 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:098 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:099 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:099 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:099 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:100 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:100 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:101 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:101 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:102 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:102 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:103 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:103 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:104 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:104 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:105 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:105 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:106 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:106 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:106 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:106 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:107 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:108 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:108 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:109 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:109 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:110 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:110 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:111 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:111 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:111 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:111 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:112 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:112 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:113 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:113 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:114 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:114 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:115 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:116 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:116 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:117 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:117 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:117 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:119 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:119 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:119 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:120 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:120 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:121 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:122 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:122 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:123 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:123 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:123 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:124 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:125 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:125 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:126 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:127 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:127 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:128 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:128 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:128 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:129 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:130 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:130 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:131 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:131 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:132 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:132 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:133 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:133 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:134 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:134 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:135 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:135 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:136 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:137 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:137 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:138 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:138 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:138 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:139 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:139 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:140 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:140 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:141 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:141 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:142 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:142 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:143 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:144 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:144 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:144 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:145 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:145 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:146 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:147 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:147 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:148 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:148 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:149 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:149 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:150 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:150 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:151 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:152 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:152 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:152 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:153 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:153 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:154 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:155 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:155 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:156 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:156 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:156 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:157 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:158 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:158 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:159 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:159 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:160 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:160 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:161 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:161 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:162 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:162 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:162 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:163 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:163 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:164 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:164 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:164 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:165 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:165 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:166 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:166 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:167 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:167 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:168 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:168 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:169 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:169 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:170 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:170 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:171 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:171 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:172 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:172 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:173 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:173 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:174 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:174 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:175 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:175 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:176 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:176 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:177 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:177 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:178 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:178 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:179 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:179 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:180 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:180 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:181 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:181 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:182 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:182 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:183 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:183 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:184 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:184 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:184 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:185 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:186 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:186 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:187 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:187 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:188 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:188 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:189 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:189 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:189 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:190 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:191 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:191 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:192 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:192 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:193 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:193 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:194 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:194 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:195 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:195 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:196 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:196 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:197 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:197 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:198 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:198 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:199 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:199 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:199 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:200 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:200 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:201 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:201 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:202 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:203 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:203 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:203 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:204 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:204 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:205 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:205 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:206 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:206 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:207 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:208 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:208 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:209 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:209 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:210 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:210 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:211 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:211 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:212 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:212 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:213 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:214 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:214 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:215 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:215 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:216 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:216 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:217 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:217 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:218 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:218 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:218 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:219 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:219 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:220 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:220 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:220 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:221 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:221 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:222 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:222 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:223 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:223 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:224 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:224 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:225 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:225 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:226 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:226 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:226 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:227 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:227 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:228 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:228 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:228 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:229 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:229 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:230 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:230 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:231 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:231 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:232 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:232 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:233 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:233 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:234 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:234 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:235 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:235 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:235 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:236 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:236 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:237 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:237 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:238 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:238 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:239 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:239 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:240 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:240 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:240 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:241 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:241 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:242 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:242 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:243 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:243 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:244 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:244 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:245 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:245 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:245 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:246 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:246 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:247 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:247 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:248 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:248 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:249 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:250 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:250 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:251 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:251 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:252 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:252 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:253 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:253 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:254 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:254 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:254 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:255 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:255 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:256 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:256 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:257 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:257 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:258 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:258 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:259 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:259 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:260 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:260 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:261 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:261 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:262 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:262 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:263 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:263 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:264 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:264 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:265 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:265 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:266 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:266 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:267 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:267 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:268 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:268 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:269 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:269 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:270 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:270 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:271 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:271 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:272 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:272 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:272 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:273 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:273 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:274 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:274 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:275 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:275 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:276 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:277 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:277 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:278 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:278 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:281 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:282 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:283 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:283 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:284 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:284 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:285 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:285 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:286 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:286 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:287 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:287 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:288 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:288 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:289 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:289 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:290 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:291 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:293 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:293 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:294 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:295 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:295 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:296 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:296 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:297 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:297 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:298 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:302 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:302 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:304 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:304 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:305 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:305 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:306 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:306 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:307 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:307 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:308 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:308 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:309 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:309 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:310 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:310 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:311 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:311 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:312 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:312 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:313 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:313 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:314 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:314 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:315 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:315 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:316 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:317 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:317 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:318 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:318 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:319 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:319 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:320 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:320 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:321 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:321 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:322 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:323 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:323 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:324 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:324 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:325 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:326 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:326 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:327 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:330 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:330 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:331 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:332 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:332 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:333 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:333 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:333 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:334 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:334 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:335 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:335 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:336 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:337 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:337 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:338 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:338 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:339 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:340 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:340 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:341 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:342 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:343 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:343 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:346 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:349 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:347 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:351 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:352 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:353 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:353 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:354 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:355 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:356 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:356 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:357 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:358 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:358 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:359 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:360 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:361 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:361 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:362 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:362 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:363 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:364 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:365 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:365 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:366 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:366 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:367 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:367 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:368 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:368 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:369 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:370 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:370 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:371 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:372 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:373 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:374 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:374 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:376 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:378 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:379 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:381 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:381 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:384 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:384 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:385 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:385 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:386 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:386 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:387 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:387 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:389 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:389 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:390 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:390 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:391 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:391 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:392 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:392 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:393 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:394 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:394 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:395 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:395 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:396 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:396 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:397 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:397 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:398 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:398 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:399 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:399 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:400 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:400 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:401 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:401 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:402 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:404 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:404 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:405 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:405 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:406 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:406 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:407 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:407 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:409 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:409 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:410 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:411 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:411 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:412 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:412 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:414 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:414 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:416 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:417 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:417 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:418 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:420 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:420 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:421 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:426 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:426 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:431 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:431 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:432 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:432 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:433 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:433 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:434 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:434 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:435 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:435 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:436 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:436 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:437 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:437 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:438 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:438 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:439 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:439 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:440 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:440 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:441 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:441 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:442 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:442 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:443 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:443 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:444 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:444 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:445 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:445 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:446 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:446 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:447 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:447 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:448 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:448 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:449 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:449 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:449 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:450 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:450 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:451 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:451 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:452 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:452 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:453 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:453 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:454 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:454 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:455 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:455 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:456 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:456 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:457 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:457 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:458 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:458 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:459 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:459 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:460 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:460 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:461 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:461 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:462 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:462 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:463 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:463 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:464 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:464 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:465 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:465 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:466 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:466 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:468 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:468 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:469 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:469 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:470 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:471 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:471 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:472 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:472 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:473 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:473 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:474 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:474 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:475 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:475 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:477 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:477 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:478 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:478 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:479 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:480 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:480 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:481 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:482 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:482 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:482 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:483 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:483 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:484 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:484 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:485 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:486 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:486 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:487 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:487 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:488 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:488 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:489 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:489 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:490 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:491 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:492 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:492 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:492 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:493 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:493 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:494 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:501 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:502 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:504 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:505 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:505 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:506 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:506 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:506 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:507 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:507 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:508 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:508 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:509 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:509 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:510 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:510 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:511 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:511 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:512 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:512 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:513 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:513 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:514 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:514 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:515 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:515 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:516 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:516 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:517 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:517 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:518 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:518 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:519 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:519 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:520 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:520 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:521 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:521 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:522 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:522 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:523 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:524 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:525 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:525 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:525 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:526 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:526 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:527 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:527 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:528 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:528 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:529 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:529 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:530 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:530 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:531 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:532 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:533 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:534 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:534 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:535 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:535 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:536 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:536 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:537 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:537 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:538 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:538 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:539 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:540 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:540 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:541 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:541 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:542 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:543 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:544 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:542 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:545 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:545 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:546 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:546 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:547 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:547 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:548 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:548 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:549 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:550 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:551 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:552 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:557 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:557 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:558 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:558 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:559 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:559 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:560 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:560 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:561 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:562 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:563 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:563 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:565 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:564 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:567 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:566 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:567 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:568 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:569 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:569 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:570 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:571 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:572 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:572 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:573 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:574 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:575 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:575 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:577 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:577 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:578 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:579 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:580 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:579 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:582 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:582 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:584 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:584 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:585 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:585 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:586 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:586 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:589 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:589 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:590 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:591 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:592 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:592 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:593 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:594 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:595 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:595 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:596 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:596 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:597 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:597 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:598 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:599 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:600 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:600 ERROR 2395 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-05-23 02:25:20:601 ERROR 2395 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.jav